Ryzen 9 7945HX vs Pentium 3556U

Aggregate performance score

Pentium 3556U
2013
2 cores / 2 threads, 15 Watt
0.67
Ryzen 9 7945HX
2023
16 cores / 32 threads, 55 Watt
34.41
+5036%

Ryzen 9 7945HX outperforms Pentium 3556U by a whopping 5036% based on our aggregate benchmark results.

Primary details

Comparing Pentium 3556U and Ryzen 9 7945HX processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2733110
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesIntel Pentiumno data
Power efficiency4.2359.28
Architecture codenameHaswell (2013−2015)Dragon Range-HX (Zen 4) (2023−2024)
Release date1 September 2013 (11 years ago)4 January 2023 (1 year ago)

Detailed specifications

Pentium 3556U and Ryzen 9 7945HX basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores2 (Dual-core)16 (Hexadeca-Core)
Threads232
Base clock speed1.7 GHz2.5 GHz
Boost clock speed1.7 GHz5.4 GHz
Bus rate5 GT/sno data
L1 cache64K (per core)64K (per core)
L2 cache256K (per core)1 MB (per core)
L3 cache2 MB (shared)64 MB (shared)
Chip lithography22 nmCCD = 5 nm, I/O = 6 nm
Die size118 mm22x 71 mm2
Maximum core temperature100 °C100 °C
Maximum case temperature (TCase)105 °Cno data
Number of transistors1,400 million13,140 million
64 bit support++
Windows 11 compatibility-+
Unlocked multiplier-+

Compatibility

Information on Pentium 3556U and Ryzen 9 7945HX compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration11
SocketFCBGA1168FL1
Power consumption (TDP)15 Watt55 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium 3556U and Ryzen 9 7945HX. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, AVX-512, BMI2, ABM, FMA, ADX, SMEP, SMAP, SMT, CPB, AES-NI, RDRAND, RDSEED, SHA, SME
AES-NI-+
FMA-+
AVX-+
Enhanced SpeedStep (EIST)+no data
Turbo Boost Technology-no data
Hyper-Threading Technology-no data
Idle States+no data
Thermal Monitoring+-
Smart Response-no data
GPIO+no data
Smart Connect+no data
FDI-no data
AMT9.5no data
Matrix Storage-no data
HD Audio+no data
RST+no data
Precision Boost 2no data+

Security technologies

Pentium 3556U and Ryzen 9 7945HX technologies aimed at improving security, for example, by protecting against hacks.

TXT-no data
EDB+no data
Secure Key+no data
OS Guard-no data
Anti-Theft-no data

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium 3556U and Ryzen 9 7945HX are enumerated here.

AMD-V++
VT-d-no data
VT-x+no data
EPT+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium 3556U and Ryzen 9 7945HX. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR5
Maximum memory size16 GBno data
Max memory channels2no data
Maximum memory bandwidth25.6 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel® HD Graphics for 4th Generation Intel® ProcessorsAMD Radeon 610M
Clear Video+no data
Graphics max frequency1 GHzno data

Graphics interfaces

Available interfaces and connections of Pentium 3556U and Ryzen 9 7945HX integrated GPUs.

Number of displays supported3no data
eDP+no data
DisplayPort+-
HDMI+-

Peripherals

Specifications and connection of peripherals supported by Pentium 3556U and Ryzen 9 7945HX.

PCIe version2.05.0
PCI Express lanes1028
PCI support-no data
USB revision3.0no data
Total number of SATA ports2no data
Max number of SATA 6 Gb/s Ports2no data
Integrated IDE-no data
Number of USB ports4no data
Integrated LAN-no data
UART+no data

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.


Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

Pentium 3556U 0.67
Ryzen 9 7945HX 34.41
+5036%

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

Pentium 3556U 1061
Ryzen 9 7945HX 54653
+5051%

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

Pentium 3556U 302
Ryzen 9 7945HX 2735
+806%

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

Pentium 3556U 493
Ryzen 9 7945HX 15897
+3125%

Cinebench 10 32-bit single-core

Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.

Pentium 3556U 2515
Ryzen 9 7945HX 8462
+236%

Cinebench 10 32-bit multi-core

Cinebench Release 10 Multi Core is a variant of Cinebench R10 using all the processor threads. Possible number of threads is limited by 16 in this version.

Pentium 3556U 4854
Ryzen 9 7945HX 71611
+1375%

3DMark06 CPU

3DMark06 is a discontinued DirectX 9 benchmark suite from Futuremark. Its CPU part contains two scenarios, one dedicated to artificial intelligence pathfinding, another to game physics using PhysX package.

Pentium 3556U 1939
Ryzen 9 7945HX 19820
+922%

wPrime 32

wPrime 32M is a math multi-thread processor test, which calculates square roots of first 32 million integer numbers. Its result is measured in seconds, so that the less is benchmark result, the faster the processor.

Pentium 3556U 46.23
Ryzen 9 7945HX 1.99
+2223%

Cinebench 11.5 64-bit multi-core

Cinebench Release 11.5 Multi Core is a variant of Cinebench R11.5 which uses all the processor threads. A maximum of 64 threads is supported in this version.

Pentium 3556U 1
Ryzen 9 7945HX 62
+4203%

Cinebench 15 64-bit multi-core

Cinebench Release 15 Multi Core is a variant of Cinebench R15 which uses all the processor threads.

Pentium 3556U 126
Ryzen 9 7945HX 5521
+4299%

Cinebench 15 64-bit single-core

Cinebench R15 (standing for Release 15) is a benchmark made by Maxon, authors of Cinema 4D. It was superseded by later versions of Cinebench, which use more modern variants of Cinema 4D engine. The Single Core version (sometimes called Single-Thread) only uses a single processor thread to render a room full of reflective spheres and light sources.

Pentium 3556U 66
Ryzen 9 7945HX 308
+370%

Cinebench 11.5 64-bit single-core

Cinebench R11.5 is an old benchmark by Maxon, authors of Cinema 4D. It was superseded by later versions of Cinebench, which use more modern variants of Cinema 4D engine. The Single Core version loads a single thread with ray tracing to render a glossy room full of crystal spheres and light sources.

Pentium 3556U 0.75
Ryzen 9 7945HX 3.65
+387%

TrueCrypt AES

TrueCrypt is a discontinued piece of software that was widely used for on-the-fly-encryption of disk partitions, now superseded by VeraCrypt. It contains several embedded performance tests, one of them being TrueCrypt AES, which measures data encryption speed using AES algorithm. Result is encryption speed in gigabytes per second.

Pentium 3556U 0.2
Ryzen 9 7945HX 27.7
+18367%

x264 encoding pass 2

x264 Pass 2 is a slower variant of x264 video compression that produces a variable bit rate output file, which results in better quality since the higher bit rate is used when it is needed more. Benchmark result is still measured in frames per second.  

Pentium 3556U 9
Ryzen 9 7945HX 236
+2488%

x264 encoding pass 1

x264 version 4.0 is a video encoding benchmark uses MPEG 4 x264 compression method to compress a sample HD (720p) video. Pass 1 is a faster variant that produces a constant bit rate output file. Its result is measured in frames per second, which means how many frames of the source video file were encoded per second.  

Pentium 3556U 49
Ryzen 9 7945HX 369
+649%

WinRAR 4.0

WinRAR 4.0 is an outdated version of a popular file archiver. It contains an internal speed test, using 'Best' setting of RAR compression on large chunks of randomly generated data. Its results are measured in kilobytes per second.

Pentium 3556U 1190
Ryzen 9 7945HX 14532
+1121%

Gaming performance

Pros & cons summary


Performance score 0.67 34.41
Recency 1 September 2013 4 January 2023
Physical cores 2 16
Threads 2 32
Power consumption (TDP) 15 Watt 55 Watt

Pentium 3556U has 266.7% lower power consumption.

Ryzen 9 7945HX, on the other hand, has a 5035.8% higher aggregate performance score, an age advantage of 9 years, and 700% more physical cores and 1500% more threads.

The Ryzen 9 7945HX is our recommended choice as it beats the Pentium 3556U in performance tests.


Should you still have questions on choice between Pentium 3556U and Ryzen 9 7945HX, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


Intel Pentium 3556U
Pentium 3556U
AMD Ryzen 9 7945HX
Ryzen 9 7945HX

Similar processor comparisons

We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.

Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


2.5 142 votes

Rate Pentium 3556U on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
4.6 627 votes

Rate Ryzen 9 7945HX on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Pentium 3556U or Ryzen 9 7945HX, agree or disagree with our judgements, or report an error or mismatch.