NVIDIA A100 PCIe vs AMD Radeon Instinct MI250X
GPU · Specs Compare
Graphics Card
Release Date
Jun 2020
Nov 2021
Generation
Tesla
Radeon Instinct
Type
AI GPU
Professional
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
765 MHz
1000 MHz
Boost Clock
1410 MHz
1700 MHz
Memory Clock
1215 MHz
1600 MHz
Memory
Memory Size
40GB
128GB
Memory Type
HBM2e
HBM2e
Memory Bus
5120bit
8192bit
Bandwidth
1555GB/s
3277GB/s
Render Config
SM Count
108
—
Shading Units
6912
14080
TMUs
432
880
ROPs
160
0
Tensor Cores
432
—
L1 Cache
192 KB (per SM)
16 KB (per CU)
L2 Cache
40 MB
16 MB
Compute Units
—
220
Theoretical Performance
Pixel Rate
225.6 GPixel/s
0 MPixel/s
Texture Rate
609.1 GTexel/s
1496 GTexel/s
FP16 (half)
77.97 TFLOPS
383.0 TFLOPS
FP32 (float)
19.49 TFLOPS
47.87 TFLOPS
FP64 (double)
9.746 TFLOPS
47.87 TFLOPS
Graphics Processor
GPU Name
GA100
Aldebaran
Architecture
Ampere
CDNA 2.0
Foundry
TSMC
TSMC
Process Size
7 nm
6 nm
Transistors
54.2 billion
58.2 billion
Die Size
826 mm²
Unknown
GPU Variant
—
Aldebaran XT
Board Design
TDP
250W
500W
Suggested PSU
600 W
900 W
Outputs
No outputs
No outputs
Power Connectors
8-pin EPS
2x 8-pin
Graphics Features
DirectX
N/A
N/A
OpenGL
N/A
N/A
OpenCL
3.0
3.0
Vulkan
N/A
N/A
CUDA
8.0
—
Shader Model
N/A
N/A
▲ Specs Compare
Data sourced from official specifications and benchmark tests.