NVIDIA B200 vs AMD Radeon RX 7700
GPU Specs Compare
Graphics Card
Release Date
Jan 2024
Sep 2025
Generation
Server Blackwell
Navi III
Type
Desktop
Desktop
Bus Interface
PCIe 5.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
700 MHz
1900 MHz
Boost Clock
1965 MHz
2600 MHz
Memory Clock
2000 MHz
2430 MHz
Memory
Memory Size
90GB
16GB
Memory Type
HBM3e
GDDR6
Memory Bus
4096bit
256bit
Bandwidth
4.10TB/s
622.1GB/s
Render Config
SM Count
148
-
Shading Units
18944
2560
TMUs
592
160
ROPs
24
96
Tensor Cores
592
-
L1 Cache
256 KB (per SM)
128 KB per Array
L2 Cache
50 MB
2 MB
Compute Units
-
40
RT Cores
-
40
L3 Cache
-
64 MB
Theoretical Performance
Pixel Rate
47.16 GPixel/s
249.6 GPixel/s
Texture Rate
1163.3 GTexel/s
416.0 GTexel/s
FP16 (half)
1191.2 TFLOPS
53.25 TFLOPS
FP32 (float)
74.45 TFLOPS
26.62 TFLOPS
FP64 (double)
37.22 TFLOPS
832.0 GFLOPS
Graphics Processor
GPU Name
GB100
Navi 32
Architecture
Blackwell
RDNA 3.0
Foundry
TSMC
TSMC
Process Size
5 nm
5 nm
Transistors
104 billion
28.1 billion
Die Size
Unknown
346 mm²
GPU Variant
-
Navi 32
Board Design
TDP
1000W
200W
Suggested PSU
1400 W
550 W
Outputs
No outputs
1x HDMI 2.1a2x DisplayPort 2.11x USB Type-C
Power Connectors
-
1x 8-pin
Graphics Features
DirectX
N/A
12 Ultimate (12_2)
OpenGL
N/A
4.6
OpenCL
3.0
2.2
Vulkan
N/A
1.3
CUDA
10.0
-
Shader Model
N/A
6.8