NVIDIA B200 SXM6 vs AMD Radeon HD 7990
GPU · Specs Compare
Graphics Card
Release Date
Nov 2024
Apr 2013
Generation
Server Blackwell
Southern Islands
Type
Desktop
Desktop
Bus Interface
PCIe 6.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
120 MHz
950 MHz
Boost Clock
1830 MHz
1000 MHz
Memory Clock
2000 MHz
1500 MHz
Memory
Memory Size
180GB
3GB
Memory Type
HBM3e
GDDR5
Memory Bus
8192bit
384bit
Bandwidth
8.19TB/s
288.0GB/s
Render Config
SM Count
148
—
Shading Units
18944
2048
TMUs
592
128
ROPs
24
32
Tensor Cores
592
—
L1 Cache
256 KB (per SM)
16 KB (per CU)
L2 Cache
126 MB
768 KB
Compute Units
—
32
Theoretical Performance
Pixel Rate
43.92 GPixel/s
32.00 GPixel/s
Texture Rate
1083.4 GTexel/s
128.0 GTexel/s
FP16 (half)
1109.4 TFLOPS
—
FP32 (float)
69.34 TFLOPS
4.096 TFLOPS
FP64 (double)
34.67 TFLOPS
1024 GFLOPS
Graphics Processor
GPU Name
GB100
Malta
GPU Variant
GB100-886N-A1
Malta XT(215-0849026)
Architecture
Blackwell
GCN 1.0
Foundry
TSMC
TSMC
Process Size
5 nm
28 nm
Transistors
208 billion
4.313 billion
Die Size
1628 mm²
365 mm²
Board Design
TDP
1000W
375W
Suggested PSU
1400 W
750 W
Outputs
No outputs
1x DVI4x mini-DisplayPort 1.2
Power Connectors
—
2x 8-pin
Graphics Features
DirectX
N/A
12 (11_1)
OpenGL
N/A
4.6
OpenCL
3.0
1.2
Vulkan
N/A
1.2
CUDA
10.0
—
Shader Model
N/A
5.1
▲ Specs Compare
Data sourced from official specifications and benchmark tests.