GeForce RTX 4080 vs RTX A400
We compared two Desktop platform GPUs: 16GB VRAM GeForce RTX 4080 and 4GB VRAM RTX A400 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce RTX 4080 's Advantages
Boost Clock has increased by 42% (2505MHz vs 1762MHz)
More VRAM (16GB vs 4GB)
Larger VRAM bandwidth (716.8GB/s vs 96.00GB/s)
8960 additional rendering cores
RTX A400 's Advantages
Released 1 years and 7 months late
Lower TDP (50W vs 320W)
Score
Benchmark
FP32 (float)
GeForce RTX 4080
+1701%
48740
RTX A400
2706
3DMark Time Spy
GeForce RTX 4080
+1247%
28173
RTX A400
2091
3DMark Speed Way
GeForce RTX 4080
+2255%
7254
RTX A400
308
Graphics Card
Sep 2022
Release Date
Apr 2024
GeForce 40
Generation
Quadro Ampere(Ax000)
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 4.0 x8
Clock Speeds
2205 MHz
Base Clock
1417 MHz
2505 MHz
Boost Clock
1762 MHz
1400 MHz
Memory Clock
1500 MHz
Memory
16GB
Memory Size
4GB
GDDR6X
Memory Type
GDDR6
256bit
Memory Bus
64bit
716.8GB/s
Bandwidth
96.00GB/s
Render Config
76
SM Count
6
9728
Shading Units
768
304
TMUs
24
112
ROPs
16
304
Tensor Cores
24
76
RT Cores
6
128 KB (per SM)
L1 Cache
128 KB (per SM)
64 MB
L2 Cache
2 MB
Theoretical Performance
280.6 GPixel/s
Pixel Rate
28.19 GPixel/s
761.5 GTexel/s
Texture Rate
42.29 GTexel/s
48.74 TFLOPS
FP16 (half)
2.706 TFLOPS
48.74 TFLOPS
FP32 (float)
2.706 TFLOPS
761.5 GFLOPS
FP64 (double)
42.29 GFLOPS
Board Design
320W
TDP
50W
700 W
Suggested PSU
250 W
1x HDMI 2.1
3x DisplayPort 1.4a
Outputs
4x mini-DisplayPort 1.4a
1x 16-pin
Power Connectors
None
Graphics Processor
AD103
GPU Name
GA107
AD103-300-A1
GPU Variant
-
Ada Lovelace
Architecture
Ampere
TSMC
Foundry
Samsung
5 nm
Process Size
8 nm
45.9 billion
Transistors
8.7 billion
379 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
8.9
CUDA
8.6
6.7
Shader Model
6.8
