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AMD Instinct MI100 vs AMD Radeon RX 640: Comparison
AMD Instinct MI100 and AMD Radeon RX 640 separate most on tdp: AMD Instinct MI100 at 300 W, AMD Radeon RX 640 at 50 W, 500% in favor of AMD Radeon RX 640. Memory Bus Width splits them by another 98%, this time favoring AMD Instinct MI100.
Pick the AMD Instinct MI100 if that matters to you: 21.4x the memory bandwidth (1,200 GB/s vs 56 GB/s), which feeds the GPU faster at high resolutions. Pick the AMD Radeon RX 640 if that matters to you: 6x the TDP (50 W vs 300 W), so it needs a smaller power supply and runs cooler.
Which is better, AMD Instinct MI100 or AMD Radeon RX 640?
On paper, AMD Radeon RX 640 has the edge on tdp, at 50 W vs AMD Instinct MI100 at 300 W.
What is the main difference between AMD Instinct MI100 and AMD Radeon RX 640?
The AMD Instinct MI100 and AMD Radeon RX 640 are built for different jobs. The AMD Instinct MI100 has 21.4x the memory bandwidth (1,200 GB/s vs 56 GB/s), which feeds the GPU faster at high resolutions. The AMD Radeon RX 640 has 6x the TDP (50 W vs 300 W), so it needs a smaller power supply and runs cooler.
Specs and benchmarks
GPU Brand
- AMD Instinct MI100
- AMD
- AMD Radeon RX 640
- AMD
Product Type
- AMD Instinct MI100
- Datacenter Accelerator
- AMD Radeon RX 640
- Laptop GPU
Series
- AMD Instinct MI100
- Instinct
- AMD Radeon RX 640
- Legacy
Board Partner
- AMD Instinct MI100
- Reference
- AMD Radeon RX 640
- AMD (Reference)
Memory Type
- AMD Instinct MI100
- HBM2
- AMD Radeon RX 640
- GDDR5Best
Boost Clock
- AMD Instinct MI100
- 1502 MHzBest
- AMD Radeon RX 640
- 1287 MHz-14%
TDP
- AMD Instinct MI100
- 300 W-500%
- AMD Radeon RX 640
- 50 WBest
Architecture
- AMD Instinct MI100
- CDNA
- AMD Radeon RX 640
- GCN
Process Node
- AMD Instinct MI100
- TSMC N7
- AMD Radeon RX 640
- Other
Shader Units
- AMD Instinct MI100
- 7680
- AMD Radeon RX 640
- 512
Compute Blocks
- AMD Instinct MI100
- 120
- AMD Radeon RX 640
- 8
Memory Bus Width
- AMD Instinct MI100
- 4096 bitBest
- AMD Radeon RX 640
- 64 bit-98%
Memory Bandwidth
- AMD Instinct MI100
- 1200 GB/sBest
- AMD Radeon RX 640
- 56 GB/s-95%
Launch Date
- AMD Instinct MI100
- 11/16/2020
- AMD Radeon RX 640
- Q3 2019
Form Factor
- AMD Instinct MI100
- PCIe Add-in Card
- AMD Radeon RX 640
- Desktop , Notebook
Which one should you pick?
Choose AMD Instinct MI100 if you want the higher boost clock (1502 MHz vs 1287 MHz), the higher memory bus width (4096 bit vs 64 bit) and the higher memory bandwidth (1200 GB/s vs 56 GB/s).
Choose AMD Radeon RX 640 if you want the lower TDP (50 W vs 300 W).