AMD Radeon HD 6990M vs NVIDIA A800 PCIe 40 GB
GPU · Specs Compare
Graphics Card
Release Date
Jul 2011
Nov 2022
Generation
Vancouver
Ampere
Type
Mobile
AI GPU
Bus Interface
MXM-B (3.0)
PCIe 4.0 x16
Clock Speeds
Memory Clock
900 MHz
1215 MHz
Base Clock
—
765 MHz
Boost Clock
—
1410 MHz
Memory
Memory Size
2GB
40GB
Memory Type
GDDR5
HBM2e
Memory Bus
256bit
5120bit
Bandwidth
115.2GB/s
1555GB/s
Render Config
Compute Units
14
—
Shading Units
1120
6912
TMUs
56
432
ROPs
32
160
L1 Cache
8 KB (per CU)
192 KB (per SM)
L2 Cache
512 KB
40 MB
SM Count
—
108
Tensor Cores
—
432
Theoretical Performance
Pixel Rate
22.88 GPixel/s
225.6 GPixel/s
Texture Rate
40.04 GTexel/s
609.1 GTexel/s
FP32 (float)
1.602 TFLOPS
19.49 TFLOPS
FP16 (half)
—
77.97 TFLOPS
FP64 (double)
—
9.746 TFLOPS
Graphics Processor
GPU Name
Blackcomb
GA100
GPU Variant
Blackcomb XTX(216-0811030)
—
Architecture
TeraScale 2
Ampere
Foundry
TSMC
TSMC
Process Size
40 nm
7 nm
Transistors
1.7 billion
54.2 billion
Die Size
212 mm²
826 mm²
Board Design
TDP
100W
250W
Outputs
No outputs
No outputs
Power Connectors
None
8-pin EPS
Suggested PSU
—
600 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
—
8.0
▲ Specs Compare
Data sourced from official specifications and benchmark tests.