RTX A1000 vs RTX A400
We compared two Desktop platform GPUs: 8GB VRAM RTX A1000 and 4GB VRAM RTX A400 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
RTX A1000 's Advantages
More VRAM (8GB vs 4GB)
Larger VRAM bandwidth (192.0GB/s vs 96.00GB/s)
1536 additional rendering cores
RTX A400 's Advantages
Boost Clock has increased by 21% (1762MHz vs 1462MHz)
Score
Benchmark
FP32 (float)
RTX A1000
+148%
6737
RTX A400
2706
Graphics Card
Apr 2024
Release Date
Apr 2024
Quadro Ampere
Generation
Quadro Ampere(Ax000)
Desktop
Type
Desktop
PCIe 4.0 x8
Bus Interface
PCIe 4.0 x8
Clock Speeds
727 MHz
Base Clock
1417 MHz
1462 MHz
Boost Clock
1762 MHz
1500 MHz
Memory Clock
1500 MHz
Memory
8GB
Memory Size
4GB
GDDR6
Memory Type
GDDR6
128bit
Memory Bus
64bit
192.0GB/s
Bandwidth
96.00GB/s
Render Config
18
SM Count
6
2304
Shading Units
768
72
TMUs
24
32
ROPs
16
72
Tensor Cores
24
18
RT Cores
6
128 KB (per SM)
L1 Cache
128 KB (per SM)
2 MB
L2 Cache
2 MB
Theoretical Performance
46.78 GPixel/s
Pixel Rate
28.19 GPixel/s
105.3 GTexel/s
Texture Rate
42.29 GTexel/s
6.737 TFLOPS
FP16 (half)
2.706 TFLOPS
6.737 TFLOPS
FP32 (float)
2.706 TFLOPS
105.3 GFLOPS
FP64 (double)
42.29 GFLOPS
Board Design
50W
TDP
50W
250 W
Suggested PSU
250 W
4x mini-DisplayPort 1.4a
Outputs
4x mini-DisplayPort 1.4a
None
Power Connectors
None
Graphics Processor
GA107
GPU Name
GA107
Ampere
Architecture
Ampere
Samsung
Foundry
Samsung
8 nm
Process Size
8 nm
8.7 billion
Transistors
8.7 billion
200 mm²
Die Size
200 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.3
Vulkan
1.3
8.6
CUDA
8.6
6.7
Shader Model
6.8
