NVIDIA GeForce RTX 4080 Mobile vs NVIDIA B200 SXM6
GPU Specs Compare
Graphics Card
Release Date
Jan 2023
Nov 2024
Generation
GeForce 40 Mobile
Server Blackwell
Type
Mobile
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 6.0 x16
Clock Speeds
Base Clock
1290 MHz
120 MHz
Boost Clock
1665 MHz
1830 MHz
Memory Clock
2250 MHz
2000 MHz
Memory
Memory Size
12GB
180GB
Memory Type
GDDR6
HBM3e
Memory Bus
192bit
8192bit
Bandwidth
432.0GB/s
8.19TB/s
Render Config
SM Count
58
148
Shading Units
7424
18944
TMUs
232
592
ROPs
80
24
Tensor Cores
232
592
RT Cores
58
-
L1 Cache
128 KB (per SM)
256 KB (per SM)
L2 Cache
48 MB
126 MB
Theoretical Performance
Pixel Rate
133.2 GPixel/s
43.92 GPixel/s
Texture Rate
386.3 GTexel/s
1083.4 GTexel/s
FP16 (half)
24.72 TFLOPS
1109.4 TFLOPS
FP32 (float)
24.72 TFLOPS
69.34 TFLOPS
FP64 (double)
386.3 GFLOPS
34.67 TFLOPS
Graphics Processor
GPU Name
AD104
GB100
GPU Variant
GN21-X9
GB100-886N-A1
Architecture
Ada Lovelace
Blackwell
Foundry
TSMC
TSMC
Process Size
5 nm
5 nm
Transistors
35.8 billion
208 billion
Die Size
294 mm²
1628 mm²
Board Design
TDP
110W
1000W
Outputs
Portable Device Dependent
No outputs
Power Connectors
None
-
Suggested PSU
-
1400 W
Graphics Features
DirectX
12 Ultimate (12_2)
N/A
OpenGL
4.6
N/A
OpenCL
3.0
3.0
Vulkan
1.3
N/A
CUDA
8.9
10.0
Shader Model
6.8
N/A