AMD Radeon RX 6900 XTX vs NVIDIA A100 PCIe 80 GB
GPU · Specs Compare
Graphics Card
Release Date
Unknown
Jun 2021
Generation
Navi II
Tesla Ampere(Axx)
Type
Desktop
Professional
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
2075 MHz
1065 MHz
Boost Clock
2435 MHz
1410 MHz
Memory Clock
2250 MHz
1512 MHz
Memory
Memory Size
16GB
80GB
Memory Type
GDDR6
HBM2e
Memory Bus
256bit
5120bit
Bandwidth
576.0GB/s
1.94TB/s
Render Config
Compute Units
80
—
Shading Units
5120
6912
TMUs
320
432
ROPs
128
160
RT Cores
80
—
L1 Cache
128 KB per Array
192 KB (per SM)
L2 Cache
4 MB
80 MB
L3 Cache
128 MB
—
SM Count
—
108
Tensor Cores
—
432
Theoretical Performance
Pixel Rate
311.7 GPixel/s
225.6 GPixel/s
Texture Rate
779.2 GTexel/s
609.1 GTexel/s
FP16 (half)
49.87 TFLOPS
77.97 TFLOPS
FP32 (float)
24.93 TFLOPS
19.49 TFLOPS
FP64 (double)
1.558 TFLOPS
9.746 TFLOPS
Graphics Processor
GPU Name
Navi 21
GA100
GPU Variant
Navi 21 XTXH(215-121000247)
—
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
330W
300W
Suggested PSU
700 W
700 W
Outputs
1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C
No outputs
Power Connectors
2x 8-pin
8-pin EPS
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
OctaneBench
—
310
Blender
—
3,722
▲ Specs Compare
Data sourced from official specifications and benchmark tests.