AMD Radeon RX 6800S vs NVIDIA B200
GPU Specs Compare
Graphics Card
Release Date
Jan 2022
Jan 2024
Generation
Mobility Radeon
Server Blackwell
Type
Mobile
Desktop
Bus Interface
PCIe 4.0 x8
PCIe 5.0 x16
Clock Speeds
Base Clock
1800 MHz
700 MHz
Boost Clock
2100 MHz
1965 MHz
Memory Clock
2000 MHz
2000 MHz
Memory
Memory Size
8GB
90GB
Memory Type
GDDR6
HBM3e
Memory Bus
128bit
4096bit
Bandwidth
256.0GB/s
4.10TB/s
Render Config
Compute Units
32
-
Shading Units
2048
18944
TMUs
128
592
ROPs
64
24
RT Cores
32
-
L1 Cache
128 KB per Array
256 KB (per SM)
L2 Cache
2 MB
50 MB
L3 Cache
32 MB
-
SM Count
-
148
Tensor Cores
-
592
Theoretical Performance
Pixel Rate
134.4 GPixel/s
47.16 GPixel/s
Texture Rate
268.8 GTexel/s
1163.3 GTexel/s
FP16 (half)
17.20 TFLOPS
1191.2 TFLOPS
FP32 (float)
8.602 TFLOPS
74.45 TFLOPS
FP64 (double)
537.6 GFLOPS
37.22 TFLOPS
Graphics Processor
GPU Name
Navi 23
GB100
Architecture
RDNA 2.0
Blackwell
Foundry
TSMC
TSMC
Process Size
7 nm
5 nm
Transistors
11.06 billion
104 billion
Die Size
237 mm²
Unknown
Board Design
TDP
100W
1000W
Outputs
No outputs
No outputs
Power Connectors
None
-
Suggested PSU
-
1400 W
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
-
10.0