GeForce RTX 3070 vs GeForce 8400 GS
We compared two Desktop platform GPUs: 8GB VRAM GeForce RTX 3070 and 256MB VRAM GeForce 8400 GS to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce RTX 3070 's Advantages
Released 13 years and 5 months late
Boost Clock1725MHz
More VRAM (8GB vs 256GB)
Larger VRAM bandwidth (448.0GB/s vs 6.400GB/s)
5872 additional rendering cores
GeForce 8400 GS 's Advantages
Lower TDP (40W vs 220W)
Score
Benchmark
FP32 (float)
GeForce RTX 3070
+69934%
20310
GeForce 8400 GS
29
3DMark Time Spy
GeForce RTX 3070
+3596%
13641
GeForce 8400 GS
369
Graphics Card
Sep 2020
Release Date
Apr 2007
GeForce 30
Generation
GeForce 8
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 1.0 x16
Clock Speeds
1500 MHz
Base Clock
-
1725 MHz
Boost Clock
-
1750 MHz
Memory Clock
400 MHz
Memory
8GB
Memory Size
256MB
GDDR6
Memory Type
DDR2
256bit
Memory Bus
64bit
448.0GB/s
Bandwidth
6.400GB/s
Render Config
46
SM Count
2
5888
Shading Units
16
184
TMUs
8
96
ROPs
4
184
Tensor Cores
-
46
RT Cores
-
128 KB (per SM)
L1 Cache
-
4 MB
L2 Cache
16 KB
Theoretical Performance
165.6 GPixel/s
Pixel Rate
1.836 GPixel/s
317.4 GTexel/s
Texture Rate
3.672 GTexel/s
20.31 TFLOPS
FP16 (half)
-
20.31 TFLOPS
FP32 (float)
29.38 GFLOPS
317.4 GFLOPS
FP64 (double)
-
Board Design
220W
TDP
40W
550 W
Suggested PSU
200 W
1x HDMI 2.1
3x DisplayPort 1.4a
Outputs
1x DVI
1x VGA
1x S-Video
1x 12-pin
Power Connectors
None
Graphics Processor
GA104
GPU Name
G86
GA104-300-A1
GPU Variant
G86-213-A2
Ampere
Architecture
Tesla
Samsung
Foundry
TSMC
8 nm
Process Size
80 nm
17.4 billion
Transistors
0.21 billion
392 mm²
Die Size
127 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
11.1 (10_0)
4.6
OpenGL
3.3
3.0
OpenCL
1.1
1.3
Vulkan
N/A
8.6
CUDA
1.1
6.6
Shader Model
4.0
