NVIDIA RTX A400 vs AMD Radeon HD 7950 Boost
GPU Specs Compare
Graphics Card
Release Date
Apr 2024
Jun 2012
Generation
Quadro Ampere(Ax000)
Southern Islands
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x8
PCIe 3.0 x16
Clock Speeds
Base Clock
1417 MHz
850 MHz
Boost Clock
1762 MHz
925 MHz
Memory Clock
1500 MHz
1250 MHz
Memory
Memory Size
4GB
3GB
Memory Type
GDDR6
GDDR5
Memory Bus
64bit
384bit
Bandwidth
96.00GB/s
240.0GB/s
Render Config
SM Count
6
-
Shading Units
768
1792
TMUs
24
112
ROPs
16
32
Tensor Cores
24
-
RT Cores
6
-
L1 Cache
128 KB (per SM)
16 KB (per CU)
L2 Cache
2 MB
768 KB
Compute Units
-
28
Theoretical Performance
Pixel Rate
28.19 GPixel/s
29.60 GPixel/s
Texture Rate
42.29 GTexel/s
103.6 GTexel/s
FP16 (half)
2.706 TFLOPS
-
FP32 (float)
2.706 TFLOPS
3.315 TFLOPS
FP64 (double)
42.29 GFLOPS
828.8 GFLOPS
Graphics Processor
GPU Name
GA107
Tahiti
Architecture
Ampere
GCN 1.0
Foundry
Samsung
TSMC
Process Size
8 nm
28 nm
Transistors
8.7 billion
4.313 billion
Die Size
200 mm²
352 mm²
GPU Variant
-
Tahiti PRO2(215-0821282)
Board Design
TDP
50W
200W
Suggested PSU
250 W
550 W
Outputs
4x mini-DisplayPort 1.4a
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Power Connectors
None
2x 6-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
3.0
1.2
Vulkan
1.3
1.2
CUDA
8.6
-
Shader Model
6.8
5.1