Intel Xeon Gold 6421N | AMD A9-9420e | |
CPU comparisonIntel Xeon Gold 6421N or AMD A9-9420e - 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 Intel Xeon Gold 6421N has 32 cores with 64 threads and clocks with a maximum frequency of 3.60 GHz. Up to 4096 GB of memory is supported in 8 memory channels. The Intel Xeon Gold 6421N was released in Q1/2023. The AMD A9-9420e has 2 cores with 2 threads and clocks with a maximum frequency of 2.70 GHz. The CPU supports up to 8 GB of memory in 1 memory channels. The AMD A9-9420e was released in Q2/2017. |
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Intel Xeon Gold (163) | Family | AMD A (112) |
Intel Xeon Gold 5400/6400 (25) | CPU group | AMD A9-9000 (4) |
4 | Generation | 4 |
Sapphire Rapids | Architecture | Stoney Ridge (Excavator) |
Desktop / Server | Segment | Mobile |
-- | Predecessor | -- |
-- | Successor | -- |
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CPU Cores and Base FrequencyThe Intel Xeon Gold 6421N has 32 CPU cores and can calculate 64 threads in parallel. The clock frequency of the Intel Xeon Gold 6421N is 1.80 GHz (3.60 GHz) while the AMD A9-9420e has 2 CPU cores and 2 threads can calculate simultaneously. The clock frequency of the AMD A9-9420e is at 1.80 GHz (2.70 GHz). |
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Intel Xeon Gold 6421N | Characteristic | AMD A9-9420e |
32 | Cores | 2 |
64 | Threads | 2 |
normal | Core architecture | normal |
Yes | Hyperthreading | No |
No | Overclocking ? | No |
1.80 GHz | Frequency | 1.80 GHz |
3.60 GHz | Turbo Frequency (1 Core) | 2.70 GHz |
-- | Turbo Frequency (All Cores) | 2.40 GHz |
Integrated graphics (iGPU)The Intel Xeon Gold 6421N or AMD A9-9420e 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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no iGPU | GPU | AMD Radeon R5 (Stoney Ridge) |
GPU frequency | 0.72 GHz | |
-- | GPU (Turbo) | -- |
-- | GPU Generation | 7 |
Technology | 28 nm | |
Max. displays | 3 | |
-- | Compute units | 3 |
-- | Shader | 192 |
No | Hardware Raytracing | No |
No | Frame Generation | No |
-- | Max. GPU Memory | 2 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 R5 (Stoney Ridge) |
No | Codec h265 / HEVC (8 bit) | Decode |
No | Codec h265 / HEVC (10 bit) | Decode |
No | Codec h264 | Decode |
No | Codec VP9 | Decode |
No | Codec VP8 | Decode |
No | Codec AV1 | No |
No | Codec AVC | Decode / Encode |
No | Codec VC-1 | Decode |
No | Codec JPEG | Decode / Encode |
Memory & PCIeThe Intel Xeon Gold 6421N can use up to 4096 GB of memory in 8 memory channels. The maximum memory bandwidth is 281.6 GB/s. The AMD A9-9420e supports up to 8 GB of memory in 1 memory channels and achieves a memory bandwidth of up to 17.1 GB/s. |
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Intel Xeon Gold 6421N | Characteristic | AMD A9-9420e |
DDR5-4400 | Memory | DDR4-2133 |
4096 GB | Max. Memory | 8 GB |
8 (Octa Channel) | Memory channels | 1 (Single Channel) |
281.6 GB/s | Max. Bandwidth | 17.1 GB/s |
Yes | ECC | No |
-- | L2 Cache | -- |
60.00 MB | L3 Cache | 2.00 MB |
5.0 | PCIe version | 3.0 |
80 | PCIe lanes | 8 |
315.0 GB/s | PCIe Bandwidth | 7.9 GB/s |
Thermal ManagementThe thermal design power (TDP for short) of the Intel Xeon Gold 6421N is 185 W, while the AMD A9-9420e has a TDP of 6 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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Intel Xeon Gold 6421N | Characteristic | AMD A9-9420e |
185 W | TDP (PL1 / PBP) | 6 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
-- | Tjunction max. | 90 °C |
Technical detailsThe Intel Xeon Gold 6421N is manufactured in 10 nm and has 60.00 MB cache. The AMD A9-9420e is manufactured in 28 nm and has a 2.00 MB cache. |
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Intel Xeon Gold 6421N | Characteristic | AMD A9-9420e |
10 nm | Technology | 28 nm |
Chiplet | Chip design | Unknown |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
SSE4.1, SSE4.2, AVX2, AVX-512 | ISA extensions | SSE4a, SSE4.1, SSE4.2, AVX, FMA3, FMA4 |
LGA 4677 | Socket | FP4 |
VT-x, VT-x EPT, VT-d | Virtualization | AMD-V |
Yes | AES-NI | Yes |
Windows, Linux | Operating systems | |
Q1/2023 | Release date | Q2/2017 |
2368 $ | Release price | -- |
show more data | show more data | |
Intel Xeon Gold 6421N
32C 64T @ 3.60 GHz |
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AMD A9-9420e
2C 2T @ 2.70 GHz |
Intel Xeon Gold 6421N
32C 64T @ 1.80 GHz |
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AMD A9-9420e
2C 2T @ 2.40 GHz |
Intel Xeon Gold 6421N
@ 0.00 GHz |
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AMD A9-9420e
AMD Radeon R5 (Stoney Ridge) @ 0.72 GHz |
Intel Xeon Gold 6421N
32C 64T @ 1.80 GHz |
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AMD A9-9420e
2C 2T @ 2.40 GHz |
Devices using this processor |
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Intel Xeon Gold 6421N | AMD A9-9420e |
Unknown | Unknown |