GeForce GTX 770 vs GeForce 9400 GT PCI
We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 770 and 256MB VRAM GeForce 9400 GT PCI to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce GTX 770 's Advantages
Released 4 years and 9 months late
Boost Clock1085MHz
More VRAM (2GB vs 256GB)
Larger VRAM bandwidth (224.4GB/s vs 12.80GB/s)
1520 additional rendering cores
GeForce 9400 GT PCI 's Advantages
Lower TDP (50W vs 230W)
Score
Benchmark
FP32 (float)
GeForce GTX 770
+7306%
3333
GeForce 9400 GT PCI
45
Graphics Card
May 2013
Release Date
Aug 2008
GeForce 700
Generation
GeForce 9
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCI
Clock Speeds
1046 MHz
Base Clock
-
1085 MHz
Boost Clock
-
1753 MHz
Memory Clock
400 MHz
Memory
2GB
Memory Size
256MB
GDDR5
Memory Type
DDR2
256bit
Memory Bus
128bit
224.4GB/s
Bandwidth
12.80GB/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
32 KB
Theoretical Performance
34.72 GPixel/s
Pixel Rate
2.200 GPixel/s
138.9 GTexel/s
Texture Rate
4.400 GTexel/s
3.333 TFLOPS
FP32 (float)
44.80 GFLOPS
138.9 GFLOPS
FP64 (double)
-
Board Design
230W
TDP
50W
550 W
Suggested PSU
250 W
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
Outputs
1x DVI
1x VGA
1x S-Video
1x 6-pin + 1x 8-pin
Power Connectors
None
Graphics Processor
GK104
GPU Name
G96C
GK104-425-A2
GPU Variant
-
Kepler
Architecture
Tesla
TSMC
Foundry
TSMC
28 nm
Process Size
55 nm
3.54 billion
Transistors
0.314 billion
294 mm²
Die Size
121 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
