AMD EPYC 7513 vs AMD Athlon II X4 645

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CPU comparison with benchmarks


AMD EPYC 7513 CPU1 vs CPU2 AMD Athlon II X4 645
AMD EPYC 7513 AMD Athlon II X4 645

CPU comparison

AMD EPYC 7513 or AMD Athlon II X4 645 - which processor is faster? In this comparison we look at the differences and analyze which of these two CPUs is better. We compare the technical data and benchmark results.

The AMD EPYC 7513 has 32 cores with 64 threads and clocks with a maximum frequency of 3.65 GHz. Up to 4096 GB of memory is supported in 8 memory channels. The AMD EPYC 7513 was released in Q1/2021.

The AMD Athlon II X4 645 has 4 cores with 4 threads and clocks with a maximum frequency of 3.10 GHz. The CPU supports up to 16 GB of memory in 2 memory channels. The AMD Athlon II X4 645 was released in Q3/2010.
AMD EPYC (129) Family AMD Athlon II (52)
AMD EPYC 7003 (29) CPU group AMD Athlon II X4 (Propus) (10)
3 Generation 1
Milan (Zen 3) Architecture Propus
Desktop / Server Segment Desktop / Server
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The AMD EPYC 7513 has 32 CPU cores and can calculate 64 threads in parallel. The clock frequency of the AMD EPYC 7513 is 2.60 GHz (3.65 GHz) while the AMD Athlon II X4 645 has 4 CPU cores and 4 threads can calculate simultaneously. The clock frequency of the AMD Athlon II X4 645 is at 3.10 GHz.

AMD EPYC 7513 Characteristic AMD Athlon II X4 645
32 Cores 4
64 Threads 4
normal Core architecture normal
Yes Hyperthreading No
No Overclocking ? No
2.60 GHz Frequency 3.10 GHz
3.65 GHz Turbo Frequency (1 Core) --
3.20 GHz Turbo Frequency (All Cores) --

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 EPYC 7513 Characteristic AMD Athlon II X4 645
-- AI hardware --
-- AI specifications --
-- NPU + CPU + iGPU --

Integrated graphics (iGPU)

The AMD EPYC 7513 or AMD Athlon II X4 645 has integrated graphics, called iGPU for short. The iGPU uses the system's main memory as graphics memory and sits on the processor's die.

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

The AMD EPYC 7513 can use up to 4096 GB of memory in 8 memory channels. The maximum memory bandwidth is 204.8 GB/s. The AMD Athlon II X4 645 supports up to 16 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 21.3 GB/s.

AMD EPYC 7513 Characteristic AMD Athlon II X4 645
DDR4-3200 Memory DDR3-1333
4096 GB Max. Memory 16 GB
8 (Octa Channel) Memory channels 2 (Dual Channel)
204.8 GB/s Max. Bandwidth 21.3 GB/s
Yes ECC No
-- L2 Cache 2.00 MB
128.00 MB L3 Cache --
4.0 PCIe version 2.0
128 PCIe lanes --
252.0 GB/s PCIe Bandwidth --

Thermal Management

The thermal design power (TDP for short) of the AMD EPYC 7513 is 200 W, while the AMD Athlon II X4 645 has a TDP of 95 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

AMD EPYC 7513 Characteristic AMD Athlon II X4 645
200 W TDP (PL1 / PBP) 95 W
-- TDP (PL2) --
-- TDP up --
165 W TDP down --
-- Tjunction max. --

Technical details

The AMD EPYC 7513 is manufactured in 7 nm and has 128.00 MB cache. The AMD Athlon II X4 645 is manufactured in 45 nm and has a 2.00 MB cache.

AMD EPYC 7513 Characteristic AMD Athlon II X4 645
7 nm Technology 45 nm
Chiplet Chip design Unknown
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 ISA extensions MMX, 3DNow!, SSE3, SSE4a
SP3 Socket AM3
AMD-V, SVM Virtualization AMD-V
Yes AES-NI No
Windows 10, Linux Operating systems Windows 10, Linux
Q1/2021 Release date Q3/2010
2840 $ Release price --
show more data show more data


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Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
AMD EPYC 7513 (100%)
AMD Athlon II X4 645 (29%)
⌀ Multi core performance in 2 CPU benchmarks
AMD EPYC 7513 (100%)
AMD Athlon II X4 645 (5%)

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 EPYC 7513 AMD EPYC 7513
32C 64T @ 3.65 GHz
1355 (100%)
AMD Athlon II X4 645 AMD Athlon II X4 645
4C 4T @ 3.10 GHz
399 (29%)

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 EPYC 7513 AMD EPYC 7513
32C 64T @ 3.20 GHz
29846 (100%)
AMD Athlon II X4 645 AMD Athlon II X4 645
4C 4T @ 3.10 GHz
1374 (5%)

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 EPYC 7513 AMD EPYC 7513
32C 64T @ 3.20 GHz
59996 (100%)
AMD Athlon II X4 645 AMD Athlon II X4 645
4C 4T @ 3.10 GHz
2274 (4%)

Cinebench R23 (Single-Core)

Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
AMD EPYC 7513 AMD EPYC 7513
32C 64T @ 3.65 GHz
0 (0%)
AMD Athlon II X4 645 AMD Athlon II X4 645
4C 4T @ 3.10 GHz
402 (100%)

Cinebench R23 (Multi-Core)

Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
AMD EPYC 7513 AMD EPYC 7513
32C 64T @ 3.20 GHz
0 (0%)
AMD Athlon II X4 645 AMD Athlon II X4 645
4C 4T @ 3.10 GHz
1520 (100%)

Geekbench 6 (Single-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The single-core benchmark only evaluates the performance of the fastest CPU core, the number of CPU cores in a processor is irrelevant here.
AMD EPYC 7513 AMD EPYC 7513
32C 64T @ 3.65 GHz
1710 (100%)
AMD Athlon II X4 645 AMD Athlon II X4 645
4C 4T @ 3.10 GHz
0 (0%)

Geekbench 6 (Multi-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The multi-core benchmark evaluates the performance of all of the processor's CPU cores. Virtual thread improvements such as AMD SMT or Intel's Hyper-Threading have a positive impact on the benchmark result.
AMD EPYC 7513 AMD EPYC 7513
32C 64T @ 3.20 GHz
18064 (100%)
AMD Athlon II X4 645 AMD Athlon II X4 645
4C 4T @ 3.10 GHz
0 (0%)

Cinebench R20 (Single-Core)

Cinebench R20 is the successor of Cinebench R15 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
AMD EPYC 7513 AMD EPYC 7513
32C 64T @ 3.65 GHz
0 (0%)
AMD Athlon II X4 645 AMD Athlon II X4 645
4C 4T @ 3.10 GHz
157 (100%)

Cinebench R20 (Multi-Core)

Cinebench R20 is the successor of Cinebench R15 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
AMD EPYC 7513 AMD EPYC 7513
32C 64T @ 3.20 GHz
0 (0%)
AMD Athlon II X4 645 AMD Athlon II X4 645
4C 4T @ 3.10 GHz
601 (100%)

CPU-Z Benchmark 17 (Multi-Core)

The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.
AMD EPYC 7513 AMD EPYC 7513
32C 64T @ 2.60 GHz
0 (0%)
AMD Athlon II X4 645 AMD Athlon II X4 645
4C 4T @ 3.10 GHz
575 (100%)

Devices using this processor

AMD EPYC 7513 AMD Athlon II X4 645
Unknown Unknown

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