AMD EPYC 7301 vs AMD Phenom II X2 B55

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CPU comparison with benchmarks


AMD EPYC 7301 CPU1 vs CPU2 AMD Phenom II X2 B55
AMD EPYC 7301 AMD Phenom II X2 B55

CPU comparison

AMD EPYC 7301 or AMD Phenom II X2 B55 - 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 7301 has 16 cores with 32 threads and clocks with a maximum frequency of 2.70 GHz. Up to GB of memory is supported in 8 memory channels. The AMD EPYC 7301 was released in Q3/2017.

The AMD Phenom II X2 B55 has 2 cores with 2 threads and clocks with a maximum frequency of 3.00 GHz. The CPU supports up to GB of memory in 2 memory channels. The AMD Phenom II X2 B55 was released in Q4/2009.
AMD EPYC (129) Family AMD Phenom II (52)
AMD EPYC 7001 (12) CPU group AMD Phenom II - 545 (9)
1 Generation 2
Naples (Zen) Architecture Callisto (K10)
Desktop / Server Segment Desktop / Server
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The AMD EPYC 7301 is a 16 core processor with a clock frequency of 2.20 GHz (2.70 GHz). The AMD Phenom II X2 B55 has 2 CPU cores with a clock frequency of 3.00 GHz.

AMD EPYC 7301 Characteristic AMD Phenom II X2 B55
16 Cores 2
32 Threads 2
normal Core architecture normal
Yes Hyperthreading No
No Overclocking ? Yes
2.20 GHz Frequency 3.00 GHz
2.70 GHz Turbo Frequency (1 Core) --
2.70 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 7301 Characteristic AMD Phenom II X2 B55
-- AI hardware --
-- AI specifications --
-- NPU + CPU + iGPU --

Integrated graphics (iGPU)

The integrated graphics unit of a processor is not only responsible for the pure image output on the system, but can also significantly increase the efficiency of the system with the support of modern video codecs.

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 7301 supports a maximum of GB of memory in 8 memory channels. The AMD Phenom II X2 B55 can connect up to GB of memory in 2 memory channels.

AMD EPYC 7301 Characteristic AMD Phenom II X2 B55
DDR4-2666 Memory DDR3-1333, DDR2-1066
Max. Memory
8 (Octa Channel) Memory channels 2 (Dual Channel)
170.6 GB/s Max. Bandwidth 21.3 GB/s
Yes ECC No
-- L2 Cache --
64.00 MB L3 Cache 6.00 MB
3.0 PCIe version --
128 PCIe lanes --
126.1 GB/s PCIe Bandwidth --

Thermal Management

The TDP (Thermal Design Power) of a processor specifies the required cooling solution. The AMD EPYC 7301 has a TDP of 170 W, that of the AMD Phenom II X2 B55 is 80 W.

AMD EPYC 7301 Characteristic AMD Phenom II X2 B55
170 W TDP (PL1 / PBP) 80 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. --

Technical details

The AMD EPYC 7301 has a 64.00 MB cache, while the AMD Phenom II X2 B55 cache has a total of 6.00 MB.

AMD EPYC 7301 Characteristic AMD Phenom II X2 B55
14 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 SSE3, SSE4a
SP3 Socket AM3
AMD-V, SVM Virtualization AMD-V
Yes AES-NI No
Windows 10, Linux Operating systems Windows 10, Linux
Q3/2017 Release date Q4/2009
800 $ Release price --
show more data show more data


Rate these processors

Here you can rate the AMD EPYC 7301 to help other visitors make their purchasing decisions. The average rating is 5.0 stars (1 ratings). Rate now:
Here you can rate the AMD Phenom II X2 B55 to help other visitors make their purchasing decisions. The average rating is 0 stars (0 ratings). Rate now:


Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
AMD EPYC 7301 (100%)
AMD Phenom II X2 B55 (66%)
⌀ Multi core performance in 2 CPU benchmarks
AMD EPYC 7301 (100%)
AMD Phenom II X2 B55 (10%)

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 7301 AMD EPYC 7301
16C 32T @ 2.70 GHz
14998 (100%)
AMD Phenom II X2 B55 AMD Phenom II X2 B55
2C 2T @ 3.00 GHz
1931 (13%)

Cinebench R15 (Single-Core)

Cinebench R15 is the successor of Cinebench 11.5 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 7301 AMD EPYC 7301
16C 32T @ 2.70 GHz
119 (100%)
AMD Phenom II X2 B55 AMD Phenom II X2 B55
2C 2T @ 3.00 GHz
79 (66%)

Cinebench R15 (Multi-Core)

Cinebench R15 is the successor of Cinebench 11.5 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 7301 AMD EPYC 7301
16C 32T @ 2.70 GHz
2033 (100%)
AMD Phenom II X2 B55 AMD Phenom II X2 B55
2C 2T @ 3.00 GHz
152 (7%)

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 7301 AMD EPYC 7301
16C 32T @ 2.70 GHz
761 (100%)
AMD Phenom II X2 B55 AMD Phenom II X2 B55
2C 2T @ 3.00 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 EPYC 7301 AMD EPYC 7301
16C 32T @ 2.70 GHz
8864 (100%)
AMD Phenom II X2 B55 AMD Phenom II X2 B55
2C 2T @ 3.00 GHz
0 (0%)

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 7301 AMD EPYC 7301
16C 32T @ 2.70 GHz
687 (100%)
AMD Phenom II X2 B55 AMD Phenom II X2 B55
2C 2T @ 3.00 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 7301 AMD EPYC 7301
16C 32T @ 2.70 GHz
4428 (100%)
AMD Phenom II X2 B55 AMD Phenom II X2 B55
2C 2T @ 3.00 GHz
0 (0%)

Devices using this processor

AMD EPYC 7301 AMD Phenom II X2 B55
Unknown Unknown

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