AMD Phenom II X2 521 | AMD Ryzen 9 7940HX | |
CPU comparisonIn this CPU comparison, we compare the AMD Phenom II X2 521 and the AMD Ryzen 9 7940HX and use benchmarks to check which processor is faster.
We compare the AMD Phenom II X2 521 2 core processor released in Q2/2011 with the AMD Ryzen 9 7940HX which has 16 CPU cores and was introduced in Q1/2023. |
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AMD Phenom II (52) | Family | AMD Ryzen 9 (40) |
AMD Phenom II - 500 (2) | CPU group | AMD Ryzen 7045 (6) |
1 | Generation | 6 |
Regor (K10) | Architecture | Dragon Range (Zen 4) |
Desktop / Server | Segment | Mobile |
-- | Predecessor | -- |
-- | Successor | -- |
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CPU Cores and Base FrequencyThe AMD Phenom II X2 521 is a 2 core processor with a clock frequency of 3.50 GHz. The processor can compute 2 threads at the same time. The AMD Ryzen 9 7940HX clocks with 2.40 GHz (5.20 GHz), has 16 CPU cores and can calculate 32 threads in parallel. |
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AMD Phenom II X2 521 | Characteristic | AMD Ryzen 9 7940HX |
2 | Cores | 16 |
2 | Threads | 32 |
normal | Core architecture | normal |
No | Hyperthreading | Yes |
Yes | Overclocking ? | Yes |
3.50 GHz | Frequency | 2.40 GHz |
-- | Turbo Frequency (1 Core) | 5.20 GHz |
-- | Turbo Frequency (All Cores) | -- |
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. |
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no iGPU | GPU | AMD Radeon 610M |
GPU frequency | 0.40 GHz | |
-- | GPU (Turbo) | 2.20 GHz |
-- | GPU Generation | 9 |
Technology | 6 nm | |
Max. displays | 3 | |
-- | Compute units | 2 |
-- | Shader | 128 |
No | Hardware Raytracing | Yes |
No | Frame Generation | No |
-- | Max. GPU Memory | 8 GB |
-- | DirectX Version | 12 |
Hardware codec supportA 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. |
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no iGPU | GPU | AMD Radeon 610M |
No | Codec h265 / HEVC (8 bit) | Decode / Encode |
No | Codec h265 / HEVC (10 bit) | Decode / Encode |
No | Codec h264 | Decode / Encode |
No | Codec VP9 | Decode / Encode |
No | Codec VP8 | Decode / Encode |
No | Codec AV1 | Decode |
No | Codec AVC | Decode / Encode |
No | Codec VC-1 | Decode |
No | Codec JPEG | Decode / Encode |
Memory & PCIeUp to GB of memory in a maximum of 2 memory channels is supported by the AMD Phenom II X2 521, while the AMD Ryzen 9 7940HX supports a maximum of 64 GB of memory with a maximum memory bandwidth of 83.2 GB/s enabled. |
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AMD Phenom II X2 521 | Characteristic | AMD Ryzen 9 7940HX |
DDR3-1333, DDR2-1066 | Memory | DDR5-5200 |
Max. Memory | 64 GB | |
2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
21.3 GB/s | Max. Bandwidth | 83.2 GB/s |
No | ECC | No |
-- | L2 Cache | 16.00 MB |
2.00 MB | L3 Cache | 64.00 MB |
-- | PCIe version | 5.0 |
-- | PCIe lanes | 28 |
-- | PCIe Bandwidth | 110.3 GB/s |
Thermal ManagementThe AMD Phenom II X2 521 has a TDP of 65 W. The TDP of the AMD Ryzen 9 7940HX is 55 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution. |
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AMD Phenom II X2 521 | Characteristic | AMD Ryzen 9 7940HX |
65 W | TDP (PL1 / PBP) | 55 W |
-- | TDP (PL2) | -- |
-- | TDP up | 75 W |
-- | TDP down | -- |
-- | Tjunction max. | 100 °C |
Technical detailsThe AMD Phenom II X2 521 has 2.00 MB cache and is manufactured in 45 nm. The cache of AMD Ryzen 9 7940HX is at 80.00 MB. The processor is manufactured in 5 nm. |
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AMD Phenom II X2 521 | Characteristic | AMD Ryzen 9 7940HX |
45 nm | Technology | 5 nm |
Unknown | Chip design | Chiplet |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
SSE3, SSE4a | ISA extensions | SSE4a, SSE4.1, SSE4.2,FMA3, AVX2, AVX512 |
AM3 | Socket | FL1 |
AMD-V | Virtualization | AMD-V, SVM |
No | AES-NI | Yes |
Windows 10, Linux | Operating systems | Windows 10, Windows 11, Linux |
Q2/2011 | Release date | Q1/2023 |
35 $ | Release price | -- |
show more data | show more data | |
AMD Phenom II X2 521
2C 2T @ 3.50 GHz |
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AMD Ryzen 9 7940HX
16C 32T @ 5.20 GHz |
AMD Phenom II X2 521
2C 2T @ 3.50 GHz |
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AMD Ryzen 9 7940HX
16C 32T @ 2.40 GHz |
AMD Phenom II X2 521
2C 2T @ 3.50 GHz |
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AMD Ryzen 9 7940HX
16C 32T @ 5.20 GHz |
AMD Phenom II X2 521
2C 2T @ 3.50 GHz |
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AMD Ryzen 9 7940HX
16C 32T @ 2.40 GHz |
AMD Phenom II X2 521
@ 0.00 GHz |
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AMD Ryzen 9 7940HX
AMD Radeon 610M @ 2.20 GHz |
AMD Phenom II X2 521
2C 2T @ 3.50 GHz |
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AMD Ryzen 9 7940HX
16C 32T @ 2.40 GHz |
AMD Phenom II X2 521
2C 2T @ 3.50 GHz |
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AMD Ryzen 9 7940HX
16C 32T @ 5.20 GHz |
AMD Phenom II X2 521
2C 2T @ 3.50 GHz |
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AMD Ryzen 9 7940HX
16C 32T @ 2.40 GHz |
Devices using this processor |
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AMD Phenom II X2 521 | AMD Ryzen 9 7940HX |
Unknown | Unknown |