NVIDIA B200 vs NVIDIA GeForce RTX 4080 SUPER
GPU · Specs Compare
Graphics Card
Release Date
Jan 2024
Jan 2024
Generation
Server Blackwell
GeForce 40
Type
Desktop
Desktop
Bus Interface
PCIe 5.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
700 MHz
2295 MHz
Boost Clock
1965 MHz
2550 MHz
Memory Clock
2000 MHz
1438 MHz
Memory
Memory Size
90GB
16GB
Memory Type
HBM3e
GDDR6X
Memory Bus
4096bit
256bit
Bandwidth
4.10TB/s
736.3GB/s
Render Config
SM Count
148
80
Shading Units
18944
10240
TMUs
592
320
ROPs
24
112
Tensor Cores
592
320
L1 Cache
256 KB (per SM)
128 KB (per SM)
L2 Cache
50 MB
64 MB
RT Cores
—
80
Theoretical Performance
Pixel Rate
47.16 GPixel/s
285.6 GPixel/s
Texture Rate
1163.3 GTexel/s
816.0 GTexel/s
FP16 (half)
1191.2 TFLOPS
52.22 TFLOPS
FP32 (float)
74.45 TFLOPS
52.22 TFLOPS
FP64 (double)
37.22 TFLOPS
816.0 GFLOPS
Graphics Processor
GPU Name
GB100
AD103
Architecture
Blackwell
Ada Lovelace
Foundry
TSMC
TSMC
Process Size
5 nm
5 nm
Transistors
104 billion
45.9 billion
Die Size
Unknown
379 mm²
GPU Variant
—
AD103-400-A1
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
6.8
Benchmark
3DMark Time Spy
—
28,304
3DMark Time Spy Extreme
—
14,052
OctaneBench
—
964
Blender
—
9,232
▲ Specs Compare
Data sourced from official specifications and benchmark tests.