GeForce 8400 GS PCI vs A40 PCIe
We compared two Desktop platform GPUs: 512MB VRAM GeForce 8400 GS PCI and 48GB VRAM A40 PCIe to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce 8400 GS PCI 's Advantages
Lower TDP (25W vs 300W)
A40 PCIe 's Advantages
Released 12 years and 10 months late
Boost Clock1740MHz
More VRAM (48GB vs 512GB)
Larger VRAM bandwidth (695.8GB/s vs 5.328GB/s)
10744 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce 8400 GS PCI
22
A40 PCIe
+169990%
37420
Graphics Card
Dec 2007
Release Date
Oct 2020
GeForce 8
Generation
Tesla
Desktop
Type
Desktop
PCI
Bus Interface
PCIe 4.0 x16
Clock Speeds
-
Base Clock
1305 MHz
-
Boost Clock
1740 MHz
333 MHz
Memory Clock
1812 MHz
Memory
512MB
Memory Size
48GB
DDR2
Memory Type
GDDR6
64bit
Memory Bus
384bit
5.328GB/s
Bandwidth
695.8GB/s
Render Config
1
SM Count
84
8
Shading Units
10752
4
TMUs
336
4
ROPs
112
-
Tensor Cores
336
-
RT Cores
84
-
L1 Cache
128 KB (per SM)
16 KB
L2 Cache
6 MB
Theoretical Performance
2.268 GPixel/s
Pixel Rate
194.9 GPixel/s
2.268 GTexel/s
Texture Rate
584.6 GTexel/s
-
FP16 (half)
37.42 TFLOPS
22.40 GFLOPS
FP32 (float)
37.42 TFLOPS
-
FP64 (double)
584.6 GFLOPS
Board Design
25W
TDP
300W
200 W
Suggested PSU
700 W
1x S-Video
1x DMS-59
Outputs
3x DisplayPort 1.4a
None
Power Connectors
8-pin EPS
Graphics Processor
G98
GPU Name
GA102
G98-400-U2
GPU Variant
-
Tesla
Architecture
Ampere
TSMC
Foundry
Samsung
65 nm
Process Size
8 nm
0.21 billion
Transistors
28.3 billion
86 mm²
Die Size
628 mm²
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
