i7-1355U vs Ryzen 9 3900

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Aggregate performance score

Ryzen 9 3900
2019
12 cores / 24 threads, 65 Watt
19.34
+108%
Core i7-1355U
2023
10 cores / 12 threads, 15 Watt
9.32

Ryzen 9 3900 outperforms Core i7-1355U by a whopping 108% based on our aggregate benchmark results.

Primary details

Comparing Ryzen 9 3900 and Core i7-1355U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking300825
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation20.75no data
Market segmentDesktop processorLaptop
SeriesAMD Matisse (Ryzen 3000 Desktop)Intel Raptor Lake-U
Power efficiency28.1658.80
Architecture codenameMatisse (Zen 2) (2019−2020)Raptor Lake-U (2023)
Release date24 September 2019 (5 years ago)4 January 2023 (1 year ago)
Launch price (MSRP)$499$469

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Ryzen 9 3900 and Core i7-1355U 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 cores12 (Dodeca-Core)10 (Deca-Core)
Threads2412
Base clock speed3.1 GHz1.7 GHz
Boost clock speed4.3 GHz5 GHz
L1 cache64 KB (per core)80K (per core)
L2 cache512 KB (per core)1.25 MB (per core)
L3 cache64 MB12 MB (shared)
Chip lithography7 nm, 12 nmIntel 7 nm
Die size2x 74 mm2no data
Maximum core temperatureno data100 °C
Number of transistors7,600 millionno data
64 bit support++
Windows 11 compatibility-+
Unlocked multiplier+-

Compatibility

Information on Ryzen 9 3900 and Core i7-1355U 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
SocketAM4FCBGA1744
Power consumption (TDP)65 Watt15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 9 3900 and Core i7-1355U. You'll probably need this information if you require some particular technology.

Instruction set extensions86x MMX(+), SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A,-64, AMD-V, AES, AVX, AVX2, FMA3, SHA, Precision Boost 2Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI++
AVX++
vProno data+
Enhanced SpeedStep (EIST)no data+
Speed Shiftno data+
Hyper-Threading Technologyno data+
TSX-+
Thermal Monitoring-+
Flex Memory Accessno data+
Precision Boost 2+no data
Deep Learning Boost-+

Security technologies

Ryzen 9 3900 and Core i7-1355U technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+
EDBno data+
Secure Keyno data+
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 9 3900 and Core i7-1355U are enumerated here.

AMD-V+-
VT-dno data+
VT-xno data+
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 9 3900 and Core i7-1355U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-3200DDR5-5200, DDR4-3200, LPDDR4x-4267
Maximum memory size128 GB96 GB
Max memory channels22
Maximum memory bandwidth51.196 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardN/AIntel® Iris® Xe Graphics eligible
Quick Sync Video-+
Graphics max frequencyno data1.3 GHz
Execution Unitsno data96

Graphics interfaces

Available interfaces and connections of Ryzen 9 3900 and Core i7-1355U integrated GPUs.

Number of displays supportedno data4

Graphics image quality

Maximum display resolutions supported by Ryzen 9 3900 and Core i7-1355U integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4no data4096 x 2304 @ 60Hz
Max resolution over eDPno data4096 x 2304 @ 120Hz
Max resolution over DisplayPortno data7680 x 4320 @ 60Hz

Graphics API support

APIs supported by Ryzen 9 3900 and Core i7-1355U integrated GPUs, sometimes API versions are included.

DirectXno data12.1
OpenGLno data4.6

Peripherals

Specifications and connection of peripherals supported by Ryzen 9 3900 and Core i7-1355U.

PCIe version4.04.0
PCI Express lanes248

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.

Ryzen 9 3900 19.34
+108%
i7-1355U 9.32

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.

Ryzen 9 3900 30722
+108%
i7-1355U 14799

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.

Ryzen 9 3900 5700
i7-1355U 10028
+75.9%

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.

Ryzen 9 3900 44191
+31.4%
i7-1355U 33627

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.

Ryzen 9 3900 13817
+36.4%
i7-1355U 10128

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.

Ryzen 9 3900 31
+88.2%
i7-1355U 16

Cinebench 15 64-bit multi-core

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

Ryzen 9 3900 2804
+101%
i7-1355U 1393

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.

Ryzen 9 3900 197
i7-1355U 256
+29.7%

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.

Ryzen 9 3900 2.22
i7-1355U 3.07
+38.3%

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.

Ryzen 9 3900 10.4
+25.3%
i7-1355U 8.3

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.

Ryzen 9 3900 7145
i7-1355U 12688
+77.6%

Geekbench 5.5 Multi-Core

Ryzen 9 3900 10190
+26.5%
i7-1355U 8058

Blender(-)

Ryzen 9 3900 179
i7-1355U 414
+131%

Geekbench 5.5 Single-Core

Ryzen 9 3900 1246
i7-1355U 1783
+43.1%

7-Zip Single

Ryzen 9 3900 5134
i7-1355U 5570
+8.5%

7-Zip

Ryzen 9 3900 75612
+107%
i7-1355U 36491

WebXPRT 3

Ryzen 9 3900 227
i7-1355U 283
+24.7%

Gaming performance

Pros & cons summary


Performance score 19.34 9.32
Recency 24 September 2019 4 January 2023
Physical cores 12 10
Threads 24 12
Power consumption (TDP) 65 Watt 15 Watt

Ryzen 9 3900 has a 107.5% higher aggregate performance score, and 20% more physical cores and 100% more threads.

i7-1355U, on the other hand, has an age advantage of 3 years, and 333.3% lower power consumption.

The Ryzen 9 3900 is our recommended choice as it beats the Core i7-1355U in performance tests.

Note that Ryzen 9 3900 is a desktop processor while Core i7-1355U is a notebook one.


Should you still have questions on choice between Ryzen 9 3900 and Core i7-1355U, ask them in Comments section, and we shall answer.

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AMD Ryzen 9 3900
Ryzen 9 3900
Intel Core i7-1355U
Core i7-1355U

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Community ratings

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