NVIDIA GeForce 8400 SE vs NVIDIA GeForce GTX 680 Mac Edition
We compared two Desktop platform GPUs: 128MB VRAM GeForce 8400 SE and 2GB VRAM GeForce GTX 680 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce 8400 SE 's Advantages
Lower TDP (50W vs 195W)
NVIDIA GeForce GTX 680 Mac Edition 's Advantages
Released 4 years and 8 months late
Boost Clock1058MHz
More VRAM (2GB vs 128GB)
Larger VRAM bandwidth (192.3GB/s vs 6.400GB/s)
1520 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce 8400 SE
0.029 TFLOPS
GeForce GTX 680 Mac Edition
+11106%
3.25 TFLOPS
Graphics Card
Aug 2008
Release Date
Apr 2013
GeForce 8
Generation
GeForce 600
Desktop
Type
Desktop
PCIe 1.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
Base Clock
1006 MHz
-
Boost Clock
1058 MHz
400 MHz
Memory Clock
1502 MHz
Memory
128MB
Memory Size
2GB
DDR2
Memory Type
GDDR5
64bit
Memory Bus
256bit
6.400GB/s
Bandwidth
192.3GB/s
Render Config
-
-
-
2
SM Count
-
16
Shading Units
1536
8
TMUs
128
4
ROPs
32
-
-
-
-
-
-
-
L1 Cache
16 KB (per SMX)
16 KB
L2 Cache
512 KB
-
-
-
Theoretical Performance
1.836 GPixel/s
Pixel Rate
33.86 GPixel/s
3.672 GTexel/s
Texture Rate
135.4 GTexel/s
-
-
-
29.38 GFLOPS
FP32 (float)
3.250 TFLOPS
-
FP64 (double)
135.4 GFLOPS
Board Design
50W
TDP
195W
250 W
Suggested PSU
450 W
1x DVI
1x VGA
1x S-Video
Outputs
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
None
Power Connectors
2x 6-pin
Graphics Processor
G86S
GPU Name
GK104
-
GPU Variant
GK104-400-A2
Tesla
Architecture
Kepler
TSMC
Foundry
TSMC
80 nm
Process Size
28 nm
0.21 billion
Transistors
3.54 billion
127 mm²
Die Size
294 mm²
Graphics Features
11.1 (10_0)
DirectX
12 (11_0)
3.3
OpenGL
4.6
1.1
OpenCL
3.0
N/A
Vulkan
1.1
1.1
CUDA
3.0
4.0
Shader Model
5.1
