Ryzen 9 7945HX vs i7-2820QM

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Aggregate performance score

Core i7-2820QM
2011
4 cores / 8 threads, 45 Watt
2.86
Ryzen 9 7945HX
2023
16 cores / 32 threads, 55 Watt
35.73
+1149%

Ryzen 9 7945HX outperforms Core i7-2820QM by a whopping 1149% based on our aggregate benchmark results.

Primary details

Comparing Core i7-2820QM and Ryzen 9 7945HX processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking1680108
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesIntel Core i7no data
Power efficiency5.8059.24
Architecture codenameSandy Bridge (2011−2013)Dragon Range-HX (Zen 4) (2023−2024)
Release date3 January 2011 (13 years ago)4 January 2023 (1 year ago)
Launch price (MSRP)$568no data

Detailed specifications

Core i7-2820QM 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 cores4 (Quad-Core)16 (Hexadeca-Core)
Threads832
Base clock speed2.3 GHz2.5 GHz
Boost clock speed3.4 GHz5.4 GHz
Bus typeDMI 2.0no data
Bus rate4 × 5 GT/sno data
Multiplier23no data
L1 cache64K (per core)64K (per core)
L2 cache256K (per core)1 MB (per core)
L3 cache8 MB (shared)64 MB (shared)
Chip lithography32 nmCCD = 5 nm, I/O = 6 nm
Die size216 mm22x 71 mm2
Maximum core temperature100 °C100 °C
Number of transistors1,160 million13,140 million
64 bit support++
Windows 11 compatibility-+
Unlocked multiplier-+

Compatibility

Information on Core i7-2820QM 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 configuration1 (Uniprocessor)1
SocketFCBGA1224,FCPGA988,PPGA988FL1
Power consumption (TDP)45 Watt55 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-2820QM and Ryzen 9 7945HX. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® AVXMMX, 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++
vPro+no data
Enhanced SpeedStep (EIST)+no data
My WiFi+no data
Turbo Boost Technology2.0no data
Hyper-Threading Technology+no data
Idle States+no data
Thermal Monitoring+-
Flex Memory Access+no data
Demand Based Switching-no data
FDI+no data
Fast Memory Access+no data
Precision Boost 2no data+

Security technologies

Core i7-2820QM and Ryzen 9 7945HX technologies aimed at improving security, for example, by protecting against hacks.

TXT+no data
EDB+no data
Identity Protection+-
Anti-Theft+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-2820QM 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 Core i7-2820QM and Ryzen 9 7945HX. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3-1066, DDR3-1333, DDR3-1600DDR5
Maximum memory size32 GBno data
Max memory channels2no data
Maximum memory bandwidth25.598 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
Intel HD Graphics 3000AMD Radeon 610M
Quick Sync Video+-
Clear Video HD+no data
Graphics max frequency1.3 GHzno data
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Core i7-2820QM and Ryzen 9 7945HX integrated GPUs.

Number of displays supported2no data
eDP+no data
DisplayPort+-
HDMI+-
SDVO+no data
CRT+no data

Peripherals

Specifications and connection of peripherals supported by Core i7-2820QM and Ryzen 9 7945HX.

PCIe version2.05.0
PCI Express lanes1628

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.

i7-2820QM 2.86
Ryzen 9 7945HX 35.73
+1149%

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.

i7-2820QM 4381
Ryzen 9 7945HX 54679
+1148%

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.

i7-2820QM 517
Ryzen 9 7945HX 2733
+429%

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.

i7-2820QM 1622
Ryzen 9 7945HX 15884
+879%

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.

i7-2820QM 4250
Ryzen 9 7945HX 8462
+99.1%

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.

i7-2820QM 15044
Ryzen 9 7945HX 71611
+376%

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.

i7-2820QM 5819
Ryzen 9 7945HX 19820
+241%

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.

i7-2820QM 10
Ryzen 9 7945HX 1.99
+403%

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.

i7-2820QM 5
Ryzen 9 7945HX 62
+1023%

Gaming performance

Pros & cons summary


Performance score 2.86 35.73
Integrated graphics card 0.66 2.85
Recency 3 January 2011 4 January 2023
Physical cores 4 16
Threads 8 32
Power consumption (TDP) 45 Watt 55 Watt

i7-2820QM has 22.2% lower power consumption.

Ryzen 9 7945HX, on the other hand, has a 1149.3% higher aggregate performance score, 331.8% faster integrated GPU, an age advantage of 12 years, and 300% more physical cores and 300% more threads.

The Ryzen 9 7945HX is our recommended choice as it beats the Core i7-2820QM in performance tests.


Should you still have questions on choice between Core i7-2820QM and Ryzen 9 7945HX, ask them in Comments section, and we shall answer.

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


Intel Core i7-2820QM
Core i7-2820QM
AMD Ryzen 9 7945HX
Ryzen 9 7945HX

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