NVIDIA RTX A5000 vs NVIDIA RTX 4000 SFF Ada Generation
GPU Specs Compare
Graphics Card
Release Date
Apr 2021
Nov 2018
Generation
Quadro Ampere
Radeon Instinct
Type
Professional
Professional
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1170 MHz
1200 MHz
Boost Clock
1695 MHz
1746 MHz
Memory Clock
2000 MHz
1000 MHz
Memory
Memory Size
24GB
16GB
Memory Type
GDDR6
HBM2
Memory Bus
384bit
4096bit
Bandwidth
768.0GB/s
1.02TB/s
Render Config
SM Count
64
48
Shading Units
8192
3840
TMUs
256
240
ROPs
96
64
Tensor Cores
256
192
RT Cores
64
48
L1 Cache
128 KB (per SM)
16 KB (per CU)
L2 Cache
6 MB
4 MB
Compute Units
-
60
Theoretical Performance
Pixel Rate
162.7 GPixel/s
111.7 GPixel/s
Texture Rate
433.9 GTexel/s
419.0 GTexel/s
FP16 (half)
27.77 TFLOPS
26.82 TFLOPS
FP32 (float)
27.77 TFLOPS
13.41 TFLOPS
FP64 (double)
433.9 GFLOPS
6.705 TFLOPS
Graphics Processor
GPU Name
GA102
Vega 20
Architecture
Ampere
GCN 5.1
Foundry
Samsung
TSMC
Process Size
8 nm
7 nm
Transistors
28.3 billion
13.23 billion
Die Size
628 mm²
331 mm²
GPU Variant
-
Vega 20 GLXT
Board Design
TDP
230W
300W
Suggested PSU
550 W
700 W
Outputs
4x DisplayPort 1.4a
1x mini-DisplayPort 1.4a
Power Connectors
1x 8-pin
2x 8-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
3.0
2.1
Vulkan
1.3
1.3
CUDA
8.6
8.9
Shader Model
6.7
6.7