NVIDIA GeForce GTX 680M vs NVIDIA GeForce GT 425M

VS

NVIDIA GeForce GTX 680M

NVIDIA GeForce GT 425M

We compared two Mobile platform GPUs: 4GB VRAM GeForce GTX 680M and 1024MB VRAM GeForce GT 425M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 680M 's Advantages

Released 1 years and 9 months late

Boost Clock758MHz

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (115.2GB/s vs 25.60GB/s)

1248 additional rendering cores

NVIDIA GeForce GT 425M 's Advantages

Lower TDP (23W vs 100W)

Score

Benchmark

FP32 (float)

GeForce GTX 680M +847%

2.038 TFLOPS

GeForce GT 425M

0.215 TFLOPS

GeForce GTX 680M

VS

GeForce GT 425M

Graphics Card

Jun 2012

Release Date

Sep 2010

GeForce 600M

Generation

GeForce 400M

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

719 MHz

Base Clock

-

758 MHz

Boost Clock

-

900 MHz

Memory Clock

800 MHz

Memory

4GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

128bit

115.2GB/s

Bandwidth

25.60GB/s

Render Config

-

SM Count

2

1344

Shading Units

96

112

TMUs

16

32

ROPs

4

-

16 KB (per SMX)

L1 Cache

64 KB (per SM)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

21.22 GPixel/s

Pixel Rate

2.240 GPixel/s

84.90 GTexel/s

Texture Rate

8.960 GTexel/s

-

2.038 TFLOPS

FP32 (float)

215.0 GFLOPS

84.90 GFLOPS

FP64 (double)

17.92 GFLOPS

Board Design

100W

TDP

23W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

GK104

GPU Name

GF108

N13E-GTX-A2

GPU Variant

N11P-GS-A1

Kepler

Architecture

Fermi

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

3.54 billion

Transistors

0.585 billion

294 mm²

Die Size

116 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

1.1

Vulkan

N/A

3.0

CUDA

2.1

5.1

Shader Model

5.1

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