NVIDIA RTX A400 vs AMD Radeon VII
We compared two Desktop platform GPUs: 4GB VRAM RTX A400 and 16GB VRAM Radeon VII to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA RTX A400 's Advantages
Released 5 years and 2 months late
Boost Clock has increased by 1% (1762MHz vs 1750MHz)
Lower TDP (50W vs 295W)
AMD Radeon VII 's Advantages
More VRAM (16GB vs 4GB)
Larger VRAM bandwidth (1020GB/s vs 96.00GB/s)
3072 additional rendering cores
Score
Benchmark
FP32 (float)
RTX A400
2.706 TFLOPS
Radeon VII
+396%
13.44 TFLOPS
3DMark Time Spy
RTX A400
2091
Radeon VII
+326%
8923
Graphics Card
Apr 2024
Release Date
Feb 2019
Quadro Ampere(Ax000)
Generation
Vega II
Desktop
Type
Desktop
PCIe 4.0 x8
Bus Interface
PCIe 3.0 x16
Clock Speeds
1417 MHz
Base Clock
1400 MHz
1762 MHz
Boost Clock
1750 MHz
1500 MHz
Memory Clock
1000 MHz
Memory
4GB
Memory Size
16GB
GDDR6
Memory Type
HBM2
64bit
Memory Bus
4096bit
96.00GB/s
Bandwidth
1020GB/s
Render Config
-
Compute Units
60
6
SM Count
-
768
Shading Units
3840
24
TMUs
240
16
ROPs
64
24
Tensor Cores
-
6
RT Cores
-
128 KB (per SM)
L1 Cache
16 KB (per CU)
2 MB
L2 Cache
4 MB
-
-
-
Theoretical Performance
28.19 GPixel/s
Pixel Rate
112.0 GPixel/s
42.29 GTexel/s
Texture Rate
420.0 GTexel/s
2.706 TFLOPS
FP16 (half)
26.88 TFLOPS
2.706 TFLOPS
FP32 (float)
13.44 TFLOPS
42.29 GFLOPS
FP64 (double)
3.360 TFLOPS
Board Design
50W
TDP
295W
250 W
Suggested PSU
600 W
4x mini-DisplayPort 1.4a
Outputs
1x HDMI 2.0b
3x DisplayPort 1.4a
None
Power Connectors
2x 8-pin
Graphics Processor
GA107
GPU Name
Vega 20
-
GPU Variant
Vega 20 XT
Ampere
Architecture
GCN 5.1
Samsung
Foundry
TSMC
8 nm
Process Size
7 nm
8.7 billion
Transistors
13.23 billion
200 mm²
Die Size
331 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
12 (12_1)
4.6
OpenGL
4.6
3.0
OpenCL
2.1
1.3
Vulkan
1.3
8.6
CUDA
-
6.8
Shader Model
6.7
