NVIDIA B200 SXM6 vs NVIDIA RTX 4000 SFF Ada Generation
GPU Specs Compare
Graphics Card
Release Date
Nov 2024
Nov 2018
Generation
Server Blackwell
Radeon Instinct
Type
Desktop
Professional
Bus Interface
PCIe 6.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
120 MHz
1200 MHz
Boost Clock
1830 MHz
1746 MHz
Memory Clock
2000 MHz
1000 MHz
Memory
Memory Size
180GB
16GB
Memory Type
HBM3e
HBM2
Memory Bus
8192bit
4096bit
Bandwidth
8.19TB/s
1.02TB/s
Render Config
SM Count
148
48
Shading Units
18944
3840
TMUs
592
240
ROPs
24
64
Tensor Cores
592
192
L1 Cache
256 KB (per SM)
16 KB (per CU)
L2 Cache
126 MB
4 MB
Compute Units
-
60
RT Cores
-
48
Theoretical Performance
Pixel Rate
43.92 GPixel/s
111.7 GPixel/s
Texture Rate
1083.4 GTexel/s
419.0 GTexel/s
FP16 (half)
1109.4 TFLOPS
26.82 TFLOPS
FP32 (float)
69.34 TFLOPS
13.41 TFLOPS
FP64 (double)
34.67 TFLOPS
6.705 TFLOPS
Graphics Processor
GPU Name
GB100
Vega 20
GPU Variant
GB100-886N-A1
Vega 20 GLXT
Architecture
Blackwell
GCN 5.1
Foundry
TSMC
TSMC
Process Size
5 nm
7 nm
Transistors
208 billion
13.23 billion
Die Size
1628 mm²
331 mm²
Board Design
TDP
1000W
300W
Suggested PSU
1400 W
700 W
Outputs
No outputs
1x mini-DisplayPort 1.4a
Power Connectors
-
2x 8-pin
Graphics Features
DirectX
N/A
12 (12_1)
OpenGL
N/A
4.6
OpenCL
3.0
2.1
Vulkan
N/A
1.3
CUDA
10.0
8.9
Shader Model
N/A
6.7