GeForce GTX 680 vs GeForce 9400 GT
We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 680 and 1 GB VRAM GeForce 9400 GT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce GTX 680 's Advantages
Released 3 years and 7 months late
Boost Clock1058MHz
More VRAM (2GB vs 1GB)
Larger VRAM bandwidth (192.3GB/s vs 9.600GB/s)
1520 additional rendering cores
GeForce 9400 GT 's Advantages
Lower TDP (50W vs 195W)
Score
Benchmark
FP32 (float)
GeForce GTX 680
+11106%
3250
GeForce 9400 GT
29
Graphics Card
Mar 2012
Release Date
Aug 2008
GeForce 600
Generation
GeForce 9
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
1006 MHz
Base Clock
-
1058 MHz
Boost Clock
-
1502 MHz
Memory Clock
600 MHz
Memory
2GB
Memory Size
1 GB
GDDR5
Memory Type
DDR2
256bit
Memory Bus
64bit
192.3GB/s
Bandwidth
9.600GB/s
Render Config
-
SM Count
2
1536
Shading Units
16
128
TMUs
8
32
ROPs
4
16 KB (per SMX)
L1 Cache
-
512 KB
L2 Cache
16 KB
Theoretical Performance
33.86 GPixel/s
Pixel Rate
1.836 GPixel/s
135.4 GTexel/s
Texture Rate
3.672 GTexel/s
3.250 TFLOPS
FP32 (float)
29.38 GFLOPS
135.4 GFLOPS
FP64 (double)
-
Board Design
195W
TDP
50W
450 W
Suggested PSU
250 W
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
Outputs
1x DVI
1x VGA
1x S-Video
2x 6-pin
Power Connectors
None
Graphics Processor
GK104
GPU Name
G86S
GK104-400-A2
GPU Variant
-
Kepler
Architecture
Tesla
TSMC
Foundry
TSMC
28 nm
Process Size
80 nm
3.54 billion
Transistors
0.21 billion
294 mm²
Die Size
127 mm²
Graphics Features
12 (11_0)
DirectX
11.1 (10_0)
4.6
OpenGL
3.3
3.0
OpenCL
1.1
1.1
Vulkan
N/A
3.0
CUDA
1.1
5.1
Shader Model
4.0
