NVIDIA GeForce GTX 680 Mac Edition vs NVIDIA GeForce 8400

VS

NVIDIA GeForce GTX 680 Mac Edition

NVIDIA GeForce 8400

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 680 Mac Edition and 256MB VRAM GeForce 8400 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 256GB)

Larger VRAM bandwidth (192.3GB/s vs 8.000GB/s)

1528 additional rendering cores

NVIDIA GeForce 8400 's Advantages

Lower TDP (25W vs 195W)

Score

Benchmark

FP32 (float)

GeForce GTX 680 Mac Edition +15376%

3.25 TFLOPS

GeForce 8400

0.021 TFLOPS

GeForce GTX 680 Mac Edition

VS

GeForce 8400

Graphics Card

Apr 2013

Release Date

Dec 2007

GeForce 600

Generation

GeForce 8

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

500 MHz

Memory

2GB

Memory Size

256MB

GDDR5

Memory Type

DDR2

256bit

Memory Bus

64bit

192.3GB/s

Bandwidth

8.000GB/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

2.160 GPixel/s

135.4 GTexel/s

Texture Rate

2.160 GTexel/s

-

3.250 TFLOPS

FP32 (float)

20.80 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 DVI 1x VGA 1x S-Video

2x 6-pin

Power Connectors

None

Graphics Processor

GK104

GPU Name

G98

GK104-400-A2

GPU Variant

-

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

Vulkan

N/A

3.0

CUDA

1.1

5.1

Shader Model

4.0

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