AMD Radeon HD 7950 vs NVIDIA A800 PCIe 40 GB
GPU Specs Compare
Graphics Card
Release Date
Jan 2012
Nov 2022
Generation
Southern Islands
Ampere
Type
Desktop
AI GPU
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Clock Speeds
Memory Clock
1250 MHz
1215 MHz
Base Clock
-
765 MHz
Boost Clock
-
1410 MHz
Memory
Memory Size
3GB
40GB
Memory Type
GDDR5
HBM2e
Memory Bus
384bit
5120bit
Bandwidth
240.0GB/s
1555GB/s
Render Config
Compute Units
28
-
Shading Units
1792
6912
TMUs
112
432
ROPs
32
160
L1 Cache
16 KB (per CU)
192 KB (per SM)
L2 Cache
768 KB
40 MB
SM Count
-
108
Tensor Cores
-
432
Theoretical Performance
Pixel Rate
25.60 GPixel/s
225.6 GPixel/s
Texture Rate
89.60 GTexel/s
609.1 GTexel/s
FP32 (float)
2.867 TFLOPS
19.49 TFLOPS
FP64 (double)
716.8 GFLOPS
9.746 TFLOPS
FP16 (half)
-
77.97 TFLOPS
Graphics Processor
GPU Name
Tahiti
GA100
GPU Variant
Tahiti PRO(215-0821056)
-
Architecture
GCN 1.0
Ampere
Foundry
TSMC
TSMC
Process Size
28 nm
7 nm
Transistors
4.313 billion
54.2 billion
Die Size
352 mm²
826 mm²
Board Design
TDP
200W
250W
Suggested PSU
550 W
600 W
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
No outputs
Power Connectors
2x 6-pin
8-pin EPS
Graphics Features
DirectX
12 (11_1)
N/A
OpenGL
4.6
N/A
OpenCL
1.2
3.0
Vulkan
1.2
N/A
Shader Model
5.1
N/A
CUDA
-
8.0
📊 Benchmark
3DMark Time Spy
1,969
-
3DMark Time Spy Extreme
1,019
-