NVIDIA B200 SXM6 vs NVIDIA GeForce RTX 4080
GPU Specs Compare
Graphics Card
Release Date
Nov 2024
Sep 2022
Generation
Server Blackwell
GeForce 40
Type
Desktop
Desktop
Bus Interface
PCIe 6.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
120 MHz
2205 MHz
Boost Clock
1830 MHz
2505 MHz
Memory Clock
2000 MHz
1400 MHz
Memory
Memory Size
180GB
16GB
Memory Type
HBM3e
GDDR6X
Memory Bus
8192bit
256bit
Bandwidth
8.19TB/s
716.8GB/s
Render Config
SM Count
148
76
Shading Units
18944
9728
TMUs
592
304
ROPs
24
112
Tensor Cores
592
304
L1 Cache
256 KB (per SM)
128 KB (per SM)
L2 Cache
126 MB
64 MB
RT Cores
-
76
Theoretical Performance
Pixel Rate
43.92 GPixel/s
280.6 GPixel/s
Texture Rate
1083.4 GTexel/s
761.5 GTexel/s
FP16 (half)
1109.4 TFLOPS
48.74 TFLOPS
FP32 (float)
69.34 TFLOPS
48.74 TFLOPS
FP64 (double)
34.67 TFLOPS
761.5 GFLOPS
Graphics Processor
GPU Name
GB100
AD103
GPU Variant
GB100-886N-A1
AD103-300-A1
Architecture
Blackwell
Ada Lovelace
Foundry
TSMC
TSMC
Process Size
5 nm
5 nm
Transistors
208 billion
45.9 billion
Die Size
1628 mm²
379 mm²
Board Design
TDP
1000W
320W
Suggested PSU
1400 W
700 W
Outputs
No outputs
1x HDMI 2.13x DisplayPort 1.4a
Power Connectors
-
1x 16-pin
Graphics Features
DirectX
N/A
12 Ultimate (12_2)
OpenGL
N/A
4.6
OpenCL
3.0
3.0
Vulkan
N/A
1.3
CUDA
10.0
8.9
Shader Model
N/A
6.7
📊 Benchmark
3DMark Time Spy
-
28,173
3DMark Time Spy Extreme
-
14,002