AMD Ryzen 7 2700 vs AMD Phenom II X2 521

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CPU comparison with benchmarks


AMD Ryzen 7 2700 CPU1 vs CPU2 AMD Phenom II X2 521
AMD Ryzen 7 2700 AMD Phenom II X2 521

CPU comparison

AMD Ryzen 7 2700 or AMD Phenom II X2 521 - 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 Ryzen 7 2700 has 8 cores with 16 threads and clocks with a maximum frequency of 4.10 GHz. Up to 64 GB of memory is supported in 2 memory channels. The AMD Ryzen 7 2700 was released in Q2/2018.

The AMD Phenom II X2 521 has 2 cores with 2 threads and clocks with a maximum frequency of 3.50 GHz. The CPU supports up to GB of memory in 2 memory channels. The AMD Phenom II X2 521 was released in Q2/2011.
AMD Ryzen 7 (63) Family AMD Phenom II (52)
AMD Ryzen 2000 (9) CPU group AMD Phenom II - 500 (2)
2 Generation 1
Pinnacle Ridge (Zen+) Architecture Regor (K10)
Desktop / Server Segment Desktop / Server
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The AMD Ryzen 7 2700 is a 8 core processor with a clock frequency of 3.20 GHz (4.10 GHz). The AMD Phenom II X2 521 has 2 CPU cores with a clock frequency of 3.50 GHz.

AMD Ryzen 7 2700 Characteristic AMD Phenom II X2 521
8 Cores 2
16 Threads 2
normal Core architecture normal
Yes Hyperthreading No
Yes Overclocking ? Yes
3.20 GHz Frequency 3.50 GHz
4.10 GHz Turbo Frequency (1 Core) --
3.60 GHz Turbo Frequency (All Cores) --

Artificial Intelligence and Machine Learning

Processors with the support of artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. Algorithms for ML improve their performance the more data they have collected via software. ML tasks can be processed up to 10,000 times faster than with a classic processor.

AMD Ryzen 7 2700 Characteristic AMD Phenom II X2 521
-- AI hardware --
-- AI specifications --

Internal Graphics

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 Ryzen 7 2700 supports a maximum of 64 GB of memory in 2 memory channels. The AMD Phenom II X2 521 can connect up to GB of memory in 2 memory channels.

AMD Ryzen 7 2700 Characteristic AMD Phenom II X2 521
DDR4-2933 Memory DDR3-1333, DDR2-1066
64 GB Max. Memory
2 (Dual Channel) Memory channels 2 (Dual Channel)
46.9 GB/s Max. Bandwidth 21.3 GB/s
Yes ECC No
-- L2 Cache --
16.00 MB L3 Cache 2.00 MB
3.0 PCIe version --
20 PCIe lanes --
19.7 GB/s PCIe Bandwidth --

Thermal Management

The TDP (Thermal Design Power) of a processor specifies the required cooling solution. The AMD Ryzen 7 2700 has a TDP of 65 W, that of the AMD Phenom II X2 521 is 65 W.

AMD Ryzen 7 2700 Characteristic AMD Phenom II X2 521
65 W TDP (PL1 / PBP) 65 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
95 °C Tjunction max. --

Technical details

The AMD Ryzen 7 2700 has a 16.00 MB cache, while the AMD Phenom II X2 521 cache has a total of 2.00 MB.

AMD Ryzen 7 2700 Characteristic AMD Phenom II X2 521
12 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
AM4 (PGA 1331) Socket AM3
AMD-V, SVM Virtualization AMD-V
Yes AES-NI No
Windows 10, Windows 11, Linux Operating systems Windows 10, Linux
Q2/2018 Release date Q2/2011
290 $ Release price 35 $
show more data show more data


Rate these processors

Here you can rate the AMD Ryzen 7 2700 to help other visitors make their purchasing decisions. The average rating is 4.3 stars (3 ratings). Rate now:
Here you can rate the AMD Phenom II X2 521 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
⌀ Multi core performance in 2 CPU benchmarks

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 Ryzen 7 2700 AMD Ryzen 7 2700
8C 16T @ 3.60 GHz
15740 (100%)
AMD Phenom II X2 521 AMD Phenom II X2 521
2C 2T @ 3.50 GHz
2253 (14%)

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 Ryzen 7 2700 AMD Ryzen 7 2700
8C 16T @ 4.10 GHz
164 (100%)
AMD Phenom II X2 521 AMD Phenom II X2 521
2C 2T @ 3.50 GHz
92 (56%)

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 Ryzen 7 2700 AMD Ryzen 7 2700
8C 16T @ 3.60 GHz
1529 (100%)
AMD Phenom II X2 521 AMD Phenom II X2 521
2C 2T @ 3.50 GHz
177 (12%)

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 Ryzen 7 2700 AMD Ryzen 7 2700
8C 16T @ 4.10 GHz
1057 (100%)
AMD Phenom II X2 521 AMD Phenom II X2 521
2C 2T @ 3.50 GHz
0 (0%)

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 Ryzen 7 2700 AMD Ryzen 7 2700
8C 16T @ 3.60 GHz
8947 (100%)
AMD Phenom II X2 521 AMD Phenom II X2 521
2C 2T @ 3.50 GHz
0 (0%)

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 Ryzen 7 2700 AMD Ryzen 7 2700
8C 16T @ 4.10 GHz
944 (100%)
AMD Phenom II X2 521 AMD Phenom II X2 521
2C 2T @ 3.50 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 Ryzen 7 2700 AMD Ryzen 7 2700
8C 16T @ 3.60 GHz
6252 (100%)
AMD Phenom II X2 521 AMD Phenom II X2 521
2C 2T @ 3.50 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 Ryzen 7 2700 AMD Ryzen 7 2700
8C 16T @ 4.10 GHz
1219 (100%)
AMD Phenom II X2 521 AMD Phenom II X2 521
2C 2T @ 3.50 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 Ryzen 7 2700 AMD Ryzen 7 2700
8C 16T @ 3.60 GHz
5876 (100%)
AMD Phenom II X2 521 AMD Phenom II X2 521
2C 2T @ 3.50 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 Ryzen 7 2700 AMD Ryzen 7 2700
8C 16T @ 4.10 GHz
403 (100%)
AMD Phenom II X2 521 AMD Phenom II X2 521
2C 2T @ 3.50 GHz
0 (0%)

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 Ryzen 7 2700 AMD Ryzen 7 2700
8C 16T @ 3.60 GHz
3448 (100%)
AMD Phenom II X2 521 AMD Phenom II X2 521
2C 2T @ 3.50 GHz
0 (0%)

Blender 2.81 (bmw27)

Blender is a free 3D graphics software for rendering (creating) 3D bodies, which can also be textured and animated in the software. The Blender benchmark creates predefined scenes and measures the time (s) required for the entire scene. The shorter the time required, the better. We selected bmw27 as the benchmark scene.
AMD Ryzen 7 2700 AMD Ryzen 7 2700
8C 16T @ 3.60 GHz
231 (100%)
AMD Phenom II X2 521 AMD Phenom II X2 521
2C 2T @ 3.50 GHz
0 (0%)

CPU-Z Benchmark 17 (Single-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 Ryzen 7 2700 AMD Ryzen 7 2700
8C 16T @ 3.60 GHz
394 (100%)
AMD Phenom II X2 521 AMD Phenom II X2 521
2C 2T @ 3.50 GHz
0 (0%)

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 Ryzen 7 2700 AMD Ryzen 7 2700
8C 16T @ 3.20 GHz
4092 (100%)
AMD Phenom II X2 521 AMD Phenom II X2 521
2C 2T @ 3.50 GHz
0 (0%)

Devices using this processor

AMD Ryzen 7 2700 AMD Phenom II X2 521
dercomputerladen Gaming PC mit Ryzen 7 2700
CSL PC Aufrüstkit mit Ryzen 7 2700
Unknown

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