AMD Radeon HD 7670M vs ATI Radeon E4690 MXM

VS

AMD Radeon HD 7670M ATI Radeon E4690 MXM

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 7670M and 512MB VRAM Radeon E4690 MXM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7670M 's Advantages

Released 2 years and 8 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (28.80GB/s vs 22.40GB/s)

160 additional rendering cores

Lower TDP (20W vs 30W)

Score

Benchmark

FP32 (float)

Radeon HD 7670M +50%

0.576 TFLOPS

Radeon E4690 MXM

0.384 TFLOPS

Radeon HD 7670M

VS

Radeon E4690 MXM

Graphics Card

Feb 2012

Release Date

Jun 2009

London

Generation

Embedded

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

MXM-II

Clock Speeds

-

Base Clock

-

Boost Clock

-

900 MHz

Memory Clock

700 MHz

Memory

1024MB

Memory Size

512MB

DDR3

Memory Type

GDDR3

128bit

Memory Bus

128bit

28.80GB/s

Bandwidth

22.40GB/s

Render Config

-

SM Count

-

6

Compute Units

4

480

Shading Units

320

24

TMUs

32

16

ROPs

8

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

128 KB

Theoretical Performance

9.600 GPixel/s

Pixel Rate

4.800 GPixel/s

14.40 GTexel/s

Texture Rate

19.20 GTexel/s

-

FP16 (half)

-

576.0 GFLOPS

FP32 (float)

384.0 GFLOPS

-

FP64 (double)

-

Graphics Processor

Thames

GPU Name

RV730

Thames XT (216-0833000)

GPU Variant

RV730 XT E4690 (215-0729055)

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

0.716 billion

Transistors

0.514 billion

104 mm²

Die Size

146 mm²

Board Design

20W

TDP

30W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

-

Graphics Features

11.2 (11_0)

DirectX

10.1 (10_1)

4.4

OpenGL

3.3

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

-

5.0

Shader Model

4.1

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