AMD Radeon R9 M485X vs ATI Radeon E4690 PCIe

VS

AMD Radeon R9 M485X

ATI Radeon E4690 PCIe

We compared two Mobile platform GPUs: 8GB VRAM Radeon R9 M485X and 512MB VRAM Radeon E4690 PCIe to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M485X 's Advantages

Released 6 years and 11 months late

More VRAM (8GB vs 512GB)

Larger VRAM bandwidth (160.0GB/s vs 22.40GB/s)

1728 additional rendering cores

ATI Radeon E4690 PCIe 's Advantages

Lower TDP (30W vs 250W)

Score

Benchmark

FP32 (float)

Radeon R9 M485X +671%

2.961 TFLOPS

Radeon E4690 PCIe

0.384 TFLOPS

Radeon R9 M485X

VS

Radeon E4690 PCIe

Graphics Card

May 2016

Release Date

Jun 2009

Crystal System

Generation

Embedded

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1250 MHz

Memory Clock

700 MHz

Memory

8GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

128bit

160.0GB/s

Bandwidth

22.40GB/s

Render Config

32

Compute Units

4

-

2048

Shading Units

320

128

TMUs

32

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

128 KB

-

Theoretical Performance

23.14 GPixel/s

Pixel Rate

4.800 GPixel/s

92.54 GTexel/s

Texture Rate

19.20 GTexel/s

2.961 TFLOPS

FP16 (half)

-

2.961 TFLOPS

FP32 (float)

384.0 GFLOPS

185.1 GFLOPS

FP64 (double)

-

Board Design

250W

TDP

30W

-

No outputs

Outputs

2x DVI

None

Power Connectors

-

Graphics Processor

Amethyst

GPU Name

RV730

Amethyst XT

GPU Variant

RV730 XT E4690 (215-0729055)

GCN 3.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

5 billion

Transistors

0.514 billion

366 mm²

Die Size

146 mm²

Graphics Features

12 (12_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.0

OpenCL

1.1

1.2

Vulkan

N/A

-

6.3

Shader Model

4.1

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