NVIDIA B200 SXM6 vs AMD Radeon RX 6800S
GPU · Specs Compare
Graphics Card
Release Date
Nov 2024
Jan 2022
Generation
Server Blackwell
Mobility Radeon
Type
Desktop
Mobile
Bus Interface
PCIe 6.0 x16
PCIe 4.0 x8
Clock Speeds
Base Clock
120 MHz
1800 MHz
Boost Clock
1830 MHz
2100 MHz
Memory Clock
2000 MHz
2000 MHz
Memory
Memory Size
180GB
8GB
Memory Type
HBM3e
GDDR6
Memory Bus
8192bit
128bit
Bandwidth
8.19TB/s
256.0GB/s
Render Config
SM Count
148
—
Shading Units
18944
2048
TMUs
592
128
ROPs
24
64
Tensor Cores
592
—
L1 Cache
256 KB (per SM)
128 KB per Array
L2 Cache
126 MB
2 MB
Compute Units
—
32
RT Cores
—
32
L3 Cache
—
32 MB
Theoretical Performance
Pixel Rate
43.92 GPixel/s
134.4 GPixel/s
Texture Rate
1083.4 GTexel/s
268.8 GTexel/s
FP16 (half)
1109.4 TFLOPS
17.20 TFLOPS
FP32 (float)
69.34 TFLOPS
8.602 TFLOPS
FP64 (double)
34.67 TFLOPS
537.6 GFLOPS
Graphics Processor
GPU Name
GB100
Navi 23
GPU Variant
GB100-886N-A1
—
Architecture
Blackwell
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
5 nm
7 nm
Transistors
208 billion
11.06 billion
Die Size
1628 mm²
237 mm²
Board Design
TDP
1000W
100W
Suggested PSU
1400 W
—
Outputs
No outputs
No outputs
Power Connectors
—
None
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
10.0
—
Shader Model
N/A
6.5
▲ Specs Compare
Data sourced from official specifications and benchmark tests.