AMD Radeon HD 8950 OEM vs NVIDIA RTX A400
GPU Specs Compare
Graphics Card
Release Date
Jan 2013
Apr 2024
Generation
Sea Islands
Quadro Ampere(Ax000)
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x8
Clock Speeds
Base Clock
850 MHz
1417 MHz
Boost Clock
925 MHz
1762 MHz
Memory Clock
1250 MHz
1500 MHz
Memory
Memory Size
3GB
4GB
Memory Type
GDDR5
GDDR6
Memory Bus
384bit
64bit
Bandwidth
240.0GB/s
96.00GB/s
Render Config
Compute Units
28
-
Shading Units
1792
768
TMUs
112
24
ROPs
32
16
L1 Cache
16 KB (per CU)
128 KB (per SM)
L2 Cache
768 KB
2 MB
SM Count
-
6
Tensor Cores
-
24
RT Cores
-
6
Theoretical Performance
Pixel Rate
29.60 GPixel/s
28.19 GPixel/s
Texture Rate
103.6 GTexel/s
42.29 GTexel/s
FP32 (float)
3.315 TFLOPS
2.706 TFLOPS
FP64 (double)
828.8 GFLOPS
42.29 GFLOPS
FP16 (half)
-
2.706 TFLOPS
Graphics Processor
GPU Name
Tahiti
GA107
GPU Variant
Tahiti PRO(215-0821056)
-
Architecture
GCN 1.0
Ampere
Foundry
TSMC
Samsung
Process Size
28 nm
8 nm
Transistors
4.313 billion
8.7 billion
Die Size
352 mm²
200 mm²
Board Design
TDP
200W
50W
Suggested PSU
550 W
250 W
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
4x mini-DisplayPort 1.4a
Power Connectors
2x 6-pin
None
Graphics Features
DirectX
12 (11_1)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
1.2
3.0
Vulkan
1.2
1.3
Shader Model
5.1
6.8
CUDA
-
8.6