NVIDIA B200 SXM6 vs AMD Radeon RX 9070 GRE
GPU Specs Compare
Graphics Card
Release Date
Nov 2024
May 2025
Generation
Server Blackwell
Navi IV
Type
Desktop
Desktop
Bus Interface
PCIe 6.0 x16
PCIe 5.0 x16
Clock Speeds
Base Clock
120 MHz
1420 MHz
Boost Clock
1830 MHz
2790 MHz
Memory Clock
2000 MHz
2250 MHz
Memory
Memory Size
180GB
12GB
Memory Type
HBM3e
GDDR6
Memory Bus
8192bit
192bit
Bandwidth
8.19TB/s
432.0GB/s
Render Config
SM Count
148
46
Shading Units
18944
3072
TMUs
592
192
ROPs
24
96
Tensor Cores
592
96
L1 Cache
256 KB (per SM)
128 KB (per SM)
L2 Cache
126 MB
8 MB
Compute Units
-
48
RT Cores
-
48
L3 Cache
-
48 MB
Theoretical Performance
Pixel Rate
43.92 GPixel/s
267.8 GPixel/s
Texture Rate
1083.4 GTexel/s
535.7 GTexel/s
FP16 (half)
1109.4 TFLOPS
68.57 TFLOPS
FP32 (float)
69.34 TFLOPS
34.28 TFLOPS
FP64 (double)
34.67 TFLOPS
1071.4 GFLOPS
Graphics Processor
GPU Name
GB100
Navi 48
GPU Variant
GB100-886N-A1
Navi 48 XL
Architecture
Blackwell
RDNA 4.0
Foundry
TSMC
TSMC
Process Size
5 nm
4 nm
Transistors
208 billion
53.9 billion
Die Size
1628 mm²
357 mm²
Board Design
TDP
1000W
220W
Suggested PSU
1400 W
550 W
Outputs
No outputs
1x HDMI 2.1b3x DisplayPort 2.1a
Power Connectors
-
2x 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
12.0
Shader Model
N/A
6.8