GeForce GTX 680 Mac Edition vs GeForce 9400 GT Rev. 3
We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 680 Mac Edition and 128MB VRAM GeForce 9400 GT Rev. 3 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 10 months late
Boost Clock1058MHz
More VRAM (2GB vs 128GB)
Larger VRAM bandwidth (192.3GB/s vs 9.600GB/s)
1520 additional rendering cores
GeForce 9400 GT Rev. 3 's Advantages
Lower TDP (50W vs 195W)
Score
Benchmark
FP32 (float)
GeForce GTX 680 Mac Edition
+7122%
3250
GeForce 9400 GT Rev. 3
45
Graphics Card
Apr 2013
Release Date
Jun 2012
GeForce 600
Generation
GeForce 9
Desktop
Type
Desktop
PCIe 2.0 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
128MB
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
32 KB
Theoretical Performance
33.86 GPixel/s
Pixel Rate
2.356 GPixel/s
135.4 GTexel/s
Texture Rate
4.712 GTexel/s
3.250 TFLOPS
FP32 (float)
44.86 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
GT218
GK104-400-A2
GPU Variant
GT218-670-B1
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
