NVIDIA GeForce 8400 GS vs NVIDIA GeForce GTX 780 Ti Engineering Sample
We compared two Desktop platform GPUs: 256MB VRAM GeForce 8400 GS and 3GB VRAM GeForce GTX 780 Ti Engineering Sample 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 250W)
NVIDIA GeForce GTX 780 Ti Engineering Sample 's Advantages
Boost Clock928MHz
More VRAM (3GB vs 256GB)
Larger VRAM bandwidth (336.6GB/s vs 6.400GB/s)
2864 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce 8400 GS
0.029 TFLOPS
GeForce GTX 780 Ti Engineering Sample
+18331%
5.345 TFLOPS
Graphics Card
Apr 2007
Release Date
Unknown
GeForce 8
Generation
GeForce 700
Desktop
Type
Desktop
PCIe 1.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
875 MHz
-
Boost Clock
928 MHz
400 MHz
Memory Clock
1753 MHz
Memory
256MB
Memory Size
3GB
DDR2
Memory Type
GDDR5
64bit
Memory Bus
384bit
6.400GB/s
Bandwidth
336.6GB/s
Render Config
-
-
-
2
SM Count
-
16
Shading Units
2880
8
TMUs
240
4
ROPs
48
-
-
-
-
-
-
-
L1 Cache
16 KB (per SMX)
16 KB
L2 Cache
1536 KB
-
-
-
Theoretical Performance
1.836 GPixel/s
Pixel Rate
55.68 GPixel/s
3.672 GTexel/s
Texture Rate
222.7 GTexel/s
-
-
-
29.38 GFLOPS
FP32 (float)
5.345 TFLOPS
-
FP64 (double)
222.7 GFLOPS
Board Design
40W
TDP
250W
200 W
Suggested PSU
600 W
1x DVI
1x VGA
1x S-Video
Outputs
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
None
Power Connectors
1x 6-pin + 1x 8-pin
Graphics Processor
G86
GPU Name
GK180
G86-213-A2
GPU Variant
GK180-425-A1
Tesla
Architecture
Kepler
TSMC
Foundry
TSMC
80 nm
Process Size
28 nm
0.21 billion
Transistors
7.08 billion
127 mm²
Die Size
561 mm²
Graphics Features
11.1 (10_0)
DirectX
12 (11_0)
3.3
OpenGL
4.6
1.1
OpenCL
3.0
N/A
Vulkan
1.2.175
1.1
CUDA
3.5
4.0
Shader Model
5.1
