AMD Athlon II X4 651K vs Intel Xeon Gold 6240M

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CPU comparison with benchmarks


AMD Athlon II X4 651K CPU1 vs CPU2 Intel Xeon Gold 6240M
AMD Athlon II X4 651K Intel Xeon Gold 6240M

CPU comparison

In this CPU comparison, we compare the AMD Athlon II X4 651K and the Intel Xeon Gold 6240M and use benchmarks to check which processor is faster.

We compare the AMD Athlon II X4 651K 4 core processor released in Q4/2011 with the Intel Xeon Gold 6240M which has 18 CPU cores and was introduced in Q2/2019.
AMD Athlon II (52) Family Intel Xeon Gold (163)
AMD Athlon II X4 (Llano) (5) CPU group Intel Xeon Gold 5200/6200 (55)
2 Generation 2
Llano Architecture Cascade Lake
Desktop / Server Segment Desktop / Server
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The AMD Athlon II X4 651K is a 4 core processor with a clock frequency of 3.00 GHz. The processor can compute 4 threads at the same time. The Intel Xeon Gold 6240M clocks with 2.60 GHz (3.90 GHz), has 18 CPU cores and can calculate 36 threads in parallel.

AMD Athlon II X4 651K Characteristic Intel Xeon Gold 6240M
4 Cores 18
4 Threads 36
normal Core architecture normal
No Hyperthreading Yes
Yes Overclocking ? No
3.00 GHz Frequency 2.60 GHz
-- Turbo Frequency (1 Core) 3.90 GHz
-- Turbo Frequency (All Cores) 3.20 GHz

NPU AI performance

The performance values of the processor's AI unit. The isolated NPU performance is specified here, the total AI performance (NPU+CPU+iGPU) can be higher. Processors with support for artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors.

AMD Athlon II X4 651K Characteristic Intel Xeon Gold 6240M
-- AI hardware --
-- AI specifications --
-- NPU + CPU + iGPU --

Integrated graphics (iGPU)

Graphics (iGPU) integrated into the processor not only enable image output without having to rely on a dedicated graphics solution, but can also efficiently accelerate video playback.

no iGPU GPU no iGPU
GPU frequency --
-- GPU (Turbo) --
-- GPU Generation --
Technology
Max. displays
-- Compute units --
-- Shader --
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory --
-- DirectX Version --

Hardware codec support

A photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos.

no iGPU GPU no iGPU
No Codec h265 / HEVC (8 bit) No
No Codec h265 / HEVC (10 bit) No
No Codec h264 No
No Codec VP9 No
No Codec VP8 No
No Codec AV1 No
No Codec AVC No
No Codec VC-1 No
No Codec JPEG No

Memory & PCIe

Up to 16 GB of memory in a maximum of 2 memory channels is supported by the AMD Athlon II X4 651K, while the Intel Xeon Gold 6240M supports a maximum of GB of memory with a maximum memory bandwidth of 140.7 GB/s enabled.

AMD Athlon II X4 651K Characteristic Intel Xeon Gold 6240M
DDR3-1333 Memory DDR4-2933
16 GB Max. Memory
2 (Dual Channel) Memory channels 6 (Hexa Channel)
21.3 GB/s Max. Bandwidth 140.7 GB/s
No ECC Yes
4.00 MB L2 Cache --
-- L3 Cache 24.75 MB
2.0 PCIe version 3.0
-- PCIe lanes 48
-- PCIe Bandwidth 47.3 GB/s

Thermal Management

The AMD Athlon II X4 651K has a TDP of 100 W. The TDP of the Intel Xeon Gold 6240M is 150 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

AMD Athlon II X4 651K Characteristic Intel Xeon Gold 6240M
100 W TDP (PL1 / PBP) 150 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. --

Technical details

The AMD Athlon II X4 651K has 4.00 MB cache and is manufactured in 32 nm. The cache of Intel Xeon Gold 6240M is at 24.75 MB. The processor is manufactured in 14 nm.

AMD Athlon II X4 651K Characteristic Intel Xeon Gold 6240M
32 nm Technology 14 nm
Unknown Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
MMX, 3DNow!, SSE3, SSE4a ISA extensions SSE4.1, SSE4.2, AVX2, AVX-512
FM1 Socket LGA 3647
AMD-V Virtualization VT-x, VT-x EPT, VT-d
No AES-NI Yes
Windows 10, Linux Operating systems Windows 10, Linux
Q4/2011 Release date Q2/2019
-- Release price 5448 $
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Geekbench 5, 64bit (Single-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
AMD Athlon II X4 651K AMD Athlon II X4 651K
4C 4T @ 3.00 GHz
411 (100%)
Intel Xeon Gold 6240M Intel Xeon Gold 6240M
18C 36T @ 3.90 GHz
0 (0%)

Geekbench 5, 64bit (Multi-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
AMD Athlon II X4 651K AMD Athlon II X4 651K
4C 4T @ 3.00 GHz
1467 (100%)
Intel Xeon Gold 6240M Intel Xeon Gold 6240M
18C 36T @ 3.20 GHz
0 (0%)

Estimated results for PassMark CPU Mark

Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.
AMD Athlon II X4 651K AMD Athlon II X4 651K
4C 4T @ 3.00 GHz
2349 (100%)
Intel Xeon Gold 6240M Intel Xeon Gold 6240M
18C 36T @ 3.20 GHz
0 (0%)

Devices using this processor

AMD Athlon II X4 651K Intel Xeon Gold 6240M
Unknown Unknown

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