AMD Radeon HD 6990 vs NVIDIA A800 PCIe 80 GB
GPU Specs Compare
Graphics Card
Release Date
Mar 2011
Nov 2022
Generation
Northern Islands
Ampere
Type
Desktop
AI GPU
Bus Interface
PCIe 2.0 x16
PCIe 4.0 x16
Clock Speeds
Memory Clock
1250 MHz
1593 MHz
Base Clock
-
1065 MHz
Boost Clock
-
1410 MHz
Memory
Memory Size
2GB
80GB
Memory Type
GDDR5
HBM2e
Memory Bus
256bit
5120bit
Bandwidth
160.0GB/s
2039GB/s
Render Config
Compute Units
24
-
Shading Units
1536
6912
TMUs
96
432
ROPs
32
160
L1 Cache
8 KB (per CU)
192 KB (per SM)
L2 Cache
512 KB
80 MB
SM Count
-
108
Tensor Cores
-
432
Theoretical Performance
Pixel Rate
26.56 GPixel/s
225.6 GPixel/s
Texture Rate
79.68 GTexel/s
609.1 GTexel/s
FP32 (float)
2.550 TFLOPS
19.49 TFLOPS
FP64 (double)
637.4 GFLOPS
9.746 TFLOPS
FP16 (half)
-
77.97 TFLOPS
Graphics Processor
GPU Name
Antilles
GA100
GPU Variant
Antilles XT(215-0807027)
-
Architecture
TeraScale 3
Ampere
Foundry
TSMC
TSMC
Process Size
40 nm
7 nm
Transistors
2.64 billion
54.2 billion
Die Size
389 mm²
826 mm²
Board Design
TDP
375W
250W
Suggested PSU
750 W
600 W
Outputs
1x DVI4x mini-DisplayPort 1.2
No outputs
Power Connectors
2x 8-pin
8-pin EPS
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
📊 Benchmark
Blender
-
3,719