NVIDIA A100 SXM4 80 GB vs AMD Radeon RX 6950 XT
GPU Specs Compare
Graphics Card
Release Date
Nov 2020
May 2022
Generation
Tesla Ampere
Navi II
Type
AI GPU
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1275 MHz
1860 MHz
Boost Clock
1410 MHz
2310 MHz
Memory Clock
1593 MHz
2250 MHz
Memory
Memory Size
80GB
16GB
Memory Type
HBM2e
GDDR6
Memory Bus
5120bit
256bit
Bandwidth
2039GB/s
576.0GB/s
Render Config
SM Count
108
-
Shading Units
6912
5120
TMUs
432
320
ROPs
160
128
Tensor Cores
432
-
L1 Cache
192 KB (per SM)
128 KB per Array
L2 Cache
40 MB
4 MB
Compute Units
-
80
RT Cores
-
80
L3 Cache
-
128 MB
Theoretical Performance
Pixel Rate
225.6 GPixel/s
295.7 GPixel/s
Texture Rate
609.1 GTexel/s
739.2 GTexel/s
FP16 (half)
77.97 TFLOPS
47.31 TFLOPS
FP32 (float)
19.49 TFLOPS
23.65 TFLOPS
FP64 (double)
9.746 TFLOPS
1478 GFLOPS
Graphics Processor
GPU Name
GA100
Navi 21
Architecture
Ampere
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
7 nm
7 nm
Transistors
54.2 billion
26.8 billion
Die Size
826 mm²
520 mm²
GPU Variant
-
Navi 21 KXTX(215-121000289)
Board Design
TDP
400W
335W
Suggested PSU
800 W
700 W
Outputs
No outputs
1x HDMI 2.12x DisplayPort 1.4a
Power Connectors
None
2x 8-pin
Graphics Features
DirectX
N/A
12 Ultimate (12_2)
OpenGL
N/A
4.6
OpenCL
3.0
2.1
Vulkan
N/A
1.3
CUDA
8.0
-
Shader Model
N/A
6.5