ATI Radeon E4690 MXM vs NVIDIA GeForce GTX 680M

VS

ATI Radeon E4690 MXM

NVIDIA GeForce GTX 680M

We compared two Mobile platform GPUs: 512MB VRAM Radeon E4690 MXM and 4GB VRAM GeForce GTX 680M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon E4690 MXM 's Advantages

Lower TDP (30W vs 100W)

NVIDIA GeForce GTX 680M 's Advantages

Released 3 years late

Boost Clock758MHz

More VRAM (4GB vs 512GB)

Larger VRAM bandwidth (115.2GB/s vs 22.40GB/s)

1024 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon E4690 MXM

0.384 TFLOPS

GeForce GTX 680M +430%

2.038 TFLOPS

Radeon E4690 MXM

VS

GeForce GTX 680M

Graphics Card

Jun 2009

Release Date

Jun 2012

Embedded

Generation

GeForce 600M

Mobile

Type

Mobile

MXM-II

Bus Interface

MXM-B (3.0)

Clock Speeds

-

Base Clock

719 MHz

-

Boost Clock

758 MHz

700 MHz

Memory Clock

900 MHz

Memory

512MB

Memory Size

4GB

GDDR3

Memory Type

GDDR5

128bit

Memory Bus

256bit

22.40GB/s

Bandwidth

115.2GB/s

Render Config

4

Compute Units

-

320

Shading Units

1344

32

TMUs

112

8

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

128 KB

L2 Cache

512 KB

-

Theoretical Performance

4.800 GPixel/s

Pixel Rate

21.22 GPixel/s

19.20 GTexel/s

Texture Rate

84.90 GTexel/s

-

384.0 GFLOPS

FP32 (float)

2.038 TFLOPS

-

FP64 (double)

84.90 GFLOPS

Board Design

30W

TDP

100W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

RV730

GPU Name

GK104

RV730 XT E4690 (215-0729055)

GPU Variant

N13E-GTX-A2

TeraScale

Architecture

Kepler

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.514 billion

Transistors

3.54 billion

146 mm²

Die Size

294 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (11_0)

3.3

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.1

-

CUDA

3.0

4.1

Shader Model

5.1

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