NVIDIA GeForce 8400 GS vs NVIDIA A2
We compared two Desktop platform GPUs: 256MB VRAM GeForce 8400 GS and 16GB VRAM A2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce 8400 GS 's Advantages
Lower TDP (40W vs 60W)
NVIDIA A2 's Advantages
Released 14 years and 7 months late
Boost Clock1770MHz
More VRAM (16GB vs 256GB)
Larger VRAM bandwidth (200.1GB/s vs 6.400GB/s)
1264 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce 8400 GS
0.029 TFLOPS
A2
+15524%
4.531 TFLOPS
Graphics Card
Apr 2007
Release Date
Nov 2021
GeForce 8
Generation
Quadro
Desktop
Type
Desktop
PCIe 1.0 x16
Bus Interface
PCIe 4.0 x8
Clock Speeds
-
Base Clock
1440 MHz
-
Boost Clock
1770 MHz
400 MHz
Memory Clock
1563 MHz
Memory
256MB
Memory Size
16GB
DDR2
Memory Type
GDDR6
64bit
Memory Bus
128bit
6.400GB/s
Bandwidth
200.1GB/s
Render Config
-
-
-
2
SM Count
10
16
Shading Units
1280
8
TMUs
40
4
ROPs
32
-
Tensor Cores
40
-
RT Cores
10
-
L1 Cache
128 KB (per SM)
16 KB
L2 Cache
2 MB
-
-
-
Theoretical Performance
1.836 GPixel/s
Pixel Rate
56.64 GPixel/s
3.672 GTexel/s
Texture Rate
70.80 GTexel/s
-
FP16 (half)
4.531 TFLOPS
29.38 GFLOPS
FP32 (float)
4.531 TFLOPS
-
FP64 (double)
70.80 GFLOPS
Board Design
40W
TDP
60W
200 W
Suggested PSU
250 W
1x DVI
1x VGA
1x S-Video
Outputs
No outputs
None
Power Connectors
None
Graphics Processor
G86
GPU Name
GA107
G86-213-A2
GPU Variant
-
Tesla
Architecture
Ampere
TSMC
Foundry
Samsung
80 nm
Process Size
8 nm
0.21 billion
Transistors
Unknown
127 mm²
Die Size
Unknown
Graphics Features
11.1 (10_0)
DirectX
12 Ultimate (12_2)
3.3
OpenGL
4.6
1.1
OpenCL
3.0
N/A
Vulkan
1.3
1.1
CUDA
8.6
4.0
Shader Model
6.6
