Home GPU Comparison NVIDIA GeForce GTX 680 Mac Edition vs NVIDIA GeForce 8400 GS PCI

NVIDIA GeForce GTX 680 Mac Edition vs NVIDIA GeForce 8400 GS PCI

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 680 Mac Edition and 512MB VRAM GeForce 8400 GS PCI to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 680 Mac Edition 's Advantages
Released 5 years and 4 months late
Boost Clock1058MHz
More VRAM (2GB vs 512GB)
Larger VRAM bandwidth (192.3GB/s vs 5.328GB/s)
1528 additional rendering cores
NVIDIA GeForce 8400 GS PCI 's Advantages
Lower TDP (25W vs 195W)

Score

Benchmark

FP32 (float)
GeForce GTX 680 Mac Edition +14672%
3.25 TFLOPS
GeForce 8400 GS PCI
0.022 TFLOPS
VS

Graphics Card

Apr 2013
Release Date
Dec 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
333 MHz

Memory

2GB
Memory Size
512MB
GDDR5
Memory Type
DDR2
256bit
Memory Bus
64bit
192.3GB/s
Bandwidth
5.328GB/s

Render Config

-
-
-
-
SM Count
1
1536
Shading Units
8
128
TMUs
4
32
ROPs
4
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
-
512 KB
L2 Cache
16 KB
-
-
-

Theoretical Performance

33.86 GPixel/s
Pixel Rate
2.268 GPixel/s
135.4 GTexel/s
Texture Rate
2.268 GTexel/s
-
-
-
3.250 TFLOPS
FP32 (float)
22.40 GFLOPS
135.4 GFLOPS
FP64 (double)
-

Board Design

195W
TDP
25W
450 W
Suggested PSU
200 W
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
1x S-Video 1x DMS-59
2x 6-pin
Power Connectors
None

Graphics Processor

GK104
GPU Name
G98
GK104-400-A2
GPU Variant
G98-400-U2
Kepler
Architecture
Tesla
TSMC
Foundry
TSMC
28 nm
Process Size
65 nm
3.54 billion
Transistors
0.21 billion
294 mm²
Die Size
86 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

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