AMD Radeon HD 6990M vs NVIDIA B200
GPU · Specs Compare
Graphics Card
Release Date
Jul 2011
Jan 2024
Generation
Vancouver
Server Blackwell
Type
Mobile
Desktop
Bus Interface
MXM-B (3.0)
PCIe 5.0 x16
Clock Speeds
Memory Clock
900 MHz
2000 MHz
Base Clock
—
700 MHz
Boost Clock
—
1965 MHz
Memory
Memory Size
2GB
90GB
Memory Type
GDDR5
HBM3e
Memory Bus
256bit
4096bit
Bandwidth
115.2GB/s
4.10TB/s
Render Config
Compute Units
14
—
Shading Units
1120
18944
TMUs
56
592
ROPs
32
24
L1 Cache
8 KB (per CU)
256 KB (per SM)
L2 Cache
512 KB
50 MB
SM Count
—
148
Tensor Cores
—
592
Theoretical Performance
Pixel Rate
22.88 GPixel/s
47.16 GPixel/s
Texture Rate
40.04 GTexel/s
1163.3 GTexel/s
FP32 (float)
1.602 TFLOPS
74.45 TFLOPS
FP16 (half)
—
1191.2 TFLOPS
FP64 (double)
—
37.22 TFLOPS
Graphics Processor
GPU Name
Blackcomb
GB100
GPU Variant
Blackcomb XTX(216-0811030)
—
Architecture
TeraScale 2
Blackwell
Foundry
TSMC
TSMC
Process Size
40 nm
5 nm
Transistors
1.7 billion
104 billion
Die Size
212 mm²
Unknown
Board Design
TDP
100W
1000W
Outputs
No outputs
No outputs
Power Connectors
None
—
Suggested PSU
—
1400 W
Graphics Features
DirectX
11.2 (11_0)
N/A
OpenGL
4.4
N/A
OpenCL
1.2
3.0
Vulkan
N/A
N/A
Shader Model
5.0
N/A
CUDA
—
10.0
▲ Specs Compare
Data sourced from official specifications and benchmark tests.