NVIDIA RTX A4000 Max-Q vs NVIDIA B200 SXM6
GPU · Specs Compare
Graphics Card
Release Date
Apr 2021
Nov 2024
Generation
Ampere-MW
Server Blackwell
Type
Mobile
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 6.0 x16
Clock Speeds
Base Clock
780 MHz
120 MHz
Boost Clock
1395 MHz
1830 MHz
Memory Clock
1375 MHz
2000 MHz
Memory
Memory Size
8GB
180GB
Memory Type
GDDR6
HBM3e
Memory Bus
256bit
8192bit
Bandwidth
352.0GB/s
8.19TB/s
Render Config
SM Count
40
148
Shading Units
5120
18944
TMUs
160
592
ROPs
80
24
Tensor Cores
160
592
RT Cores
40
—
L1 Cache
128 KB (per SM)
256 KB (per SM)
L2 Cache
4 MB
126 MB
Theoretical Performance
Pixel Rate
111.6 GPixel/s
43.92 GPixel/s
Texture Rate
223.2 GTexel/s
1083.4 GTexel/s
FP16 (half)
14.28 TFLOPS
1109.4 TFLOPS
FP32 (float)
14.28 TFLOPS
69.34 TFLOPS
FP64 (double)
223.2 GFLOPS
34.67 TFLOPS
Graphics Processor
GPU Name
GA104
GB100
Architecture
Ampere
Blackwell
Foundry
Samsung
TSMC
Process Size
8 nm
5 nm
Transistors
17.4 billion
208 billion
Die Size
392 mm²
1628 mm²
GPU Variant
—
GB100-886N-A1
Board Design
TDP
80W
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
8.6
10.0
Shader Model
6.8
N/A
▲ Specs Compare
Data sourced from official specifications and benchmark tests.