GeForce GTX 680 Mac Edition vs GeForce 8400 GS PCI Rev. 2
We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 680 Mac Edition and 512MB VRAM GeForce 8400 GS PCI Rev. 2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce GTX 680 Mac Edition 's Advantages
Released 6 years late
Boost Clock1058MHz
More VRAM (2GB vs 512GB)
Larger VRAM bandwidth (192.3GB/s vs 8.000GB/s)
1520 additional rendering cores
GeForce 8400 GS PCI Rev. 2 's Advantages
Lower TDP (40W vs 195W)
Score
Benchmark
FP32 (float)
GeForce GTX 680 Mac Edition
+8233%
3250
GeForce 8400 GS PCI Rev. 2
39
Graphics Card
Apr 2013
Release Date
Apr 2007
GeForce 600
Generation
GeForce 8
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCI
Clock Speeds
1006 MHz
Base Clock
-
1058 MHz
Boost Clock
-
1502 MHz
Memory Clock
500 MHz
Memory
2GB
Memory Size
512MB
GDDR5
Memory Type
DDR3
256bit
Memory Bus
64bit
192.3GB/s
Bandwidth
8.000GB/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
33.86 GPixel/s
Pixel Rate
2.080 GPixel/s
135.4 GTexel/s
Texture Rate
4.160 GTexel/s
3.250 TFLOPS
FP32 (float)
39.36 GFLOPS
135.4 GFLOPS
FP64 (double)
-
Board Design
195W
TDP
40W
450 W
Suggested PSU
200 W
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
Outputs
1x DVI
1x HDMI
1x VGA
2x 6-pin
Power Connectors
None
Graphics Processor
GK104
GPU Name
GT218
GK104-400-A2
GPU Variant
-
Kepler
Architecture
Tesla 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
3.54 billion
Transistors
0.26 billion
294 mm²
Die Size
57 mm²
Graphics Features
12 (11_0)
DirectX
11.1 (10_1)
4.6
OpenGL
3.3
3.0
OpenCL
1.1
1.1
Vulkan
N/A
3.0
CUDA
1.2
5.1
Shader Model
4.1
