AMD Radeon HD 8670M vs ATI Radeon E4690 MXM

VS

AMD Radeon HD 8670M

ATI Radeon E4690 MXM

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 8670M 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 8670M 's Advantages

Released 3 years and 9 months late

Boost Clock975MHz

More VRAM (1024GB vs 512GB)

ATI Radeon E4690 MXM 's Advantages

Larger VRAM bandwidth (22.40GB/s vs 14.40GB/s)

Score

Benchmark

FP32 (float)

Radeon HD 8670M +62%

0.624 TFLOPS

Radeon E4690 MXM

0.384 TFLOPS

Radeon HD 8670M

VS

Radeon E4690 MXM

Graphics Card

Mar 2013

Release Date

Jun 2009

Solar System

Generation

Embedded

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-II

Clock Speeds

925 MHz

Base Clock

-

975 MHz

Boost Clock

-

900 MHz

Memory Clock

700 MHz

Memory

1024MB

Memory Size

512MB

DDR3

Memory Type

GDDR3

64bit

Memory Bus

128bit

14.40GB/s

Bandwidth

22.40GB/s

Render Config

5

Compute Units

4

-

320

Shading Units

320

20

TMUs

32

8

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

128 KB

-

Theoretical Performance

7.800 GPixel/s

Pixel Rate

4.800 GPixel/s

19.50 GTexel/s

Texture Rate

19.20 GTexel/s

-

624.0 GFLOPS

FP32 (float)

384.0 GFLOPS

39.00 GFLOPS

FP64 (double)

-

Board Design

Unknown

TDP

30W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Sun

GPU Name

RV730

Sun S3 XT (216-0841009)

GPU Variant

RV730 XT E4690 (215-0729055)

GCN 1.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

0.69 billion

Transistors

0.514 billion

56 mm²

Die Size

146 mm²

Graphics Features

12 (11_1)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.1 (1.2)

OpenCL

1.1

1.2.170

Vulkan

N/A

-

6.5 (5.1)

Shader Model

4.1

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