AMD RX-421BD | AMD Ryzen 9 7950X | |
CPU comparisonAMD RX-421BD or AMD Ryzen 9 7950X - 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 RX-421BD has 4 cores with 4 threads and clocks with a maximum frequency of 3.40 GHz. Up to GB of memory is supported in 2 memory channels. The AMD RX-421BD was released in Q4/2015. The AMD Ryzen 9 7950X has 16 cores with 32 threads and clocks with a maximum frequency of 5.70 GHz. The CPU supports up to 128 GB of memory in 2 memory channels. The AMD Ryzen 9 7950X was released in Q4/2022. |
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AMD R (6) | Family | AMD Ryzen 9 (40) |
AMD RX 1st Gen. (6) | CPU group | AMD Ryzen 7000 (14) |
1 | Generation | 6 |
Merlin Falcon (Excavator) | Architecture | Raphael (Zen 4) |
Mobile | Segment | Desktop / Server |
-- | Predecessor | AMD Ryzen 9 5950X |
-- | Successor | AMD Ryzen 9 9950X |
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CPU Cores and Base FrequencyThe AMD RX-421BD has 4 CPU cores and can calculate 4 threads in parallel. The clock frequency of the AMD RX-421BD is 2.10 GHz (3.40 GHz) while the AMD Ryzen 9 7950X has 16 CPU cores and 32 threads can calculate simultaneously. The clock frequency of the AMD Ryzen 9 7950X is at 4.50 GHz (5.70 GHz). |
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AMD RX-421BD | Characteristic | AMD Ryzen 9 7950X |
4 | Cores | 16 |
4 | Threads | 32 |
normal | Core architecture | normal |
No | Hyperthreading | Yes |
No | Overclocking ? | Yes |
2.10 GHz | Frequency | 4.50 GHz |
3.40 GHz | Turbo Frequency (1 Core) | 5.70 GHz |
-- | Turbo Frequency (All Cores) | 5.20 GHz |
Integrated graphics (iGPU)The AMD RX-421BD or AMD Ryzen 9 7950X 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. |
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AMD Radeon R7 - 512 (Merlin Falcon) | GPU | AMD Radeon Graphics (Raphael) |
0.80 GHz | GPU frequency | 0.40 GHz |
-- | GPU (Turbo) | 2.20 GHz |
3 | GPU Generation | 9 |
28 | Technology | 5 nm |
3 | Max. displays | 3 |
8 | Compute units | 2 |
512 | Shader | 128 |
No | Hardware Raytracing | No |
No | Frame Generation | No |
2 GB | Max. GPU Memory | 8 GB |
12 | 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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AMD Radeon R7 - 512 (Merlin Falcon) | GPU | AMD Radeon Graphics (Raphael) |
Decode | Codec h265 / HEVC (8 bit) | Decode / Encode |
No | Codec h265 / HEVC (10 bit) | Decode / Encode |
Decode / Encode | 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 |
Decode | Codec JPEG | Decode / Encode |
Memory & PCIeThe AMD RX-421BD can use up to GB of memory in 2 memory channels. The maximum memory bandwidth is 38.4 GB/s. The AMD Ryzen 9 7950X supports up to 128 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 83.2 GB/s. |
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AMD RX-421BD | Characteristic | AMD Ryzen 9 7950X |
DDR4-2400, DDR3-2133 | Memory | DDR5-5200 |
Max. Memory | 128 GB | |
2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
38.4 GB/s | Max. Bandwidth | 83.2 GB/s |
Yes | ECC | Yes |
2.00 MB | L2 Cache | 16.00 MB |
-- | L3 Cache | 64.00 MB |
3.0 | PCIe version | 5.0 |
12 | PCIe lanes | 24 |
11.8 GB/s | PCIe Bandwidth | 94.5 GB/s |
Thermal ManagementThe thermal design power (TDP for short) of the AMD RX-421BD is 35 W, while the AMD Ryzen 9 7950X has a TDP of 170 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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AMD RX-421BD | Characteristic | AMD Ryzen 9 7950X |
35 W | TDP (PL1 / PBP) | 170 W |
-- | TDP (PL2) | 230 W |
-- | TDP up | -- |
12 W | TDP down | -- |
90 °C | Tjunction max. | 95 °C |
Technical detailsThe AMD RX-421BD is manufactured in 28 nm and has 2.00 MB cache. The AMD Ryzen 9 7950X is manufactured in 5 nm and has a 80.00 MB cache. |
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AMD RX-421BD | Characteristic | AMD Ryzen 9 7950X |
28 nm | Technology | 5 nm |
Unknown | Chip design | Chiplet |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
SSE4a, SSE4.1, SSE4.2, AVX, FMA3, FMA4 | ISA extensions | SSE4a, SSE4.1, SSE4.2,FMA3, AVX2, AVX512 |
FP4 | Socket | AM5 (LGA 1718) |
AMD-V, AMD-Vt | Virtualization | AMD-V, SVM |
Yes | AES-NI | Yes |
Operating systems | Windows 10, Windows 11, Linux | |
Q4/2015 | Release date | Q4/2022 |
-- | Release price | 699 $ |
show more data | show more data | |
AMD RX-421BD
AMD Radeon R7 - 512 (Merlin Falcon) @ 0.80 GHz |
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AMD Ryzen 9 7950X
AMD Radeon Graphics (Raphael) @ 2.20 GHz |
AMD RX-421BD
4C 4T @ 3.40 GHz |
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AMD Ryzen 9 7950X
16C 32T @ 5.70 GHz |
AMD RX-421BD
4C 4T @ 3.40 GHz |
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AMD Ryzen 9 7950X
16C 32T @ 5.70 GHz |
AMD RX-421BD
4C 4T @ 3.40 GHz |
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AMD Ryzen 9 7950X
16C 32T @ 5.70 GHz |
AMD RX-421BD
4C 4T @ 2.10 GHz |
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AMD Ryzen 9 7950X
16C 32T @ 5.20 GHz |
AMD RX-421BD
4C 4T @ 3.40 GHz |
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AMD Ryzen 9 7950X
16C 32T @ 5.70 GHz |
AMD RX-421BD
4C 4T @ 2.10 GHz |
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AMD Ryzen 9 7950X
16C 32T @ 5.20 GHz |
AMD RX-421BD
4C 4T @ 3.40 GHz |
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AMD Ryzen 9 7950X
16C 32T @ 5.70 GHz |
AMD RX-421BD
4C 4T @ 2.10 GHz |
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AMD Ryzen 9 7950X
16C 32T @ 5.20 GHz |
AMD RX-421BD
4C 4T @ 3.40 GHz |
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AMD Ryzen 9 7950X
16C 32T @ 5.70 GHz |
AMD RX-421BD
4C 4T @ 2.10 GHz |
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AMD Ryzen 9 7950X
16C 32T @ 5.20 GHz |
AMD RX-421BD
4C 4T @ 2.10 GHz |
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AMD Ryzen 9 7950X
16C 32T @ 5.20 GHz |
AMD RX-421BD
4C 4T @ 2.10 GHz |
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AMD Ryzen 9 7950X
16C 32T @ 5.20 GHz |
AMD RX-421BD
4C 4T @ 3.40 GHz |
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AMD Ryzen 9 7950X
16C 32T @ 5.70 GHz |
AMD RX-421BD
4C 4T @ 2.10 GHz |
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AMD Ryzen 9 7950X
16C 32T @ 4.50 GHz |
AMD RX-421BD
4C 4T @ 3.40 GHz |
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AMD Ryzen 9 7950X
16C 32T @ 5.70 GHz |
AMD RX-421BD
4C 4T @ 2.10 GHz |
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AMD Ryzen 9 7950X
16C 32T @ 5.20 GHz |
AMD RX-421BD
2.10 GHz |
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AMD Ryzen 9 7950X
38,657 CB R23 MC @ 197 W |
Devices using this processor |
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AMD RX-421BD | AMD Ryzen 9 7950X |
Unknown | Unknown |