NVIDIA RTX A400 vs NVIDIA GeForce 405 OEM
We compared two Desktop platform GPUs: 4GB VRAM RTX A400 and 512MB VRAM GeForce 405 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA RTX A400 's Advantages
Released 13 years and 7 months late
Boost Clock1762MHz
More VRAM (4GB vs 512GB)
Larger VRAM bandwidth (96.00GB/s vs 12.64GB/s)
752 additional rendering cores
NVIDIA GeForce 405 OEM 's Advantages
Lower TDP (25W vs 50W)
Score
Benchmark
FP32 (float)
RTX A400
+5913%
2.706 TFLOPS
GeForce 405 OEM
0.045 TFLOPS
Graphics Card
Apr 2024
Release Date
Sep 2010
Quadro Ampere(Ax000)
Generation
GeForce 400
Desktop
Type
Desktop
PCIe 4.0 x8
Bus Interface
PCIe 2.0 x16
Clock Speeds
1417 MHz
Base Clock
-
1762 MHz
Boost Clock
-
1500 MHz
Memory Clock
790 MHz
Memory
4GB
Memory Size
512MB
GDDR6
Memory Type
DDR3
64bit
Memory Bus
64bit
96.00GB/s
Bandwidth
12.64GB/s
Render Config
-
-
-
6
SM Count
2
768
Shading Units
16
24
TMUs
8
16
ROPs
4
24
Tensor Cores
-
6
RT Cores
-
128 KB (per SM)
L1 Cache
-
2 MB
L2 Cache
32 KB
-
-
-
Theoretical Performance
28.19 GPixel/s
Pixel Rate
2.356 GPixel/s
42.29 GTexel/s
Texture Rate
4.712 GTexel/s
2.706 TFLOPS
FP16 (half)
-
2.706 TFLOPS
FP32 (float)
44.86 GFLOPS
42.29 GFLOPS
FP64 (double)
-
Board Design
50W
TDP
25W
250 W
Suggested PSU
200 W
4x mini-DisplayPort 1.4a
Outputs
1x DVI
1x HDMI
1x VGA
None
Power Connectors
None
Graphics Processor
GA107
GPU Name
GT218
-
GPU Variant
GT218-300-B1
Ampere
Architecture
Tesla 2.0
Samsung
Foundry
TSMC
8 nm
Process Size
40 nm
8.7 billion
Transistors
0.26 billion
200 mm²
Die Size
57 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
11.1 (10_1)
4.6
OpenGL
3.3
3.0
OpenCL
1.1
1.3
Vulkan
N/A
8.6
CUDA
1.2
6.8
Shader Model
4.1
