AMD Radeon RX 6800 XT vs NVIDIA A100 SXM4 80 GB
GPU Specs Compare
Graphics Card
Release Date
Oct 2020
Nov 2020
Generation
Navi II
Tesla Ampere
Type
Desktop
AI GPU
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1825 MHz
1275 MHz
Boost Clock
2250 MHz
1410 MHz
Memory Clock
2000 MHz
1593 MHz
Memory
Memory Size
16GB
80GB
Memory Type
GDDR6
HBM2e
Memory Bus
256bit
5120bit
Bandwidth
512.0GB/s
2039GB/s
Render Config
Compute Units
72
-
Shading Units
4608
6912
TMUs
288
432
ROPs
128
160
RT Cores
72
-
L1 Cache
128 KB per Array
192 KB (per SM)
L2 Cache
4 MB
40 MB
L3 Cache
128 MB
-
SM Count
-
108
Tensor Cores
-
432
Theoretical Performance
Pixel Rate
288.0 GPixel/s
225.6 GPixel/s
Texture Rate
648.0 GTexel/s
609.1 GTexel/s
FP16 (half)
41.47 TFLOPS
77.97 TFLOPS
FP32 (float)
20.74 TFLOPS
19.49 TFLOPS
FP64 (double)
1296 GFLOPS
9.746 TFLOPS
Graphics Processor
GPU Name
Navi 21
GA100
GPU Variant
Navi 21 XT(215-121000177)
-
Architecture
RDNA 2.0
Ampere
Foundry
TSMC
TSMC
Process Size
7 nm
7 nm
Transistors
26.8 billion
54.2 billion
Die Size
520 mm²
826 mm²
Board Design
TDP
300W
400W
Suggested PSU
700 W
800 W
Outputs
1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C
No outputs
Power Connectors
2x 8-pin
None
Graphics Features
DirectX
12 Ultimate (12_2)
N/A
OpenGL
4.6
N/A
OpenCL
2.1
3.0
Vulkan
1.3
N/A
Shader Model
6.5
N/A
CUDA
-
8.0
📊 Benchmark
3DMark Time Spy
19,329
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