AMD Radeon E8870 vs ATI Mobility Radeon HD 4650

VS

AMD Radeon E8870

ATI Mobility Radeon HD 4650

We compared two Mobile platform GPUs: 4GB VRAM Radeon E8870 and 512MB VRAM Mobility Radeon HD 4650 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon E8870 's Advantages

Released 6 years and 8 months late

More VRAM (4GB vs 512GB)

Larger VRAM bandwidth (96.00GB/s vs 19.20GB/s)

448 additional rendering cores

ATI Mobility Radeon HD 4650 's Advantages

Lower TDP (35W vs 75W)

Score

Benchmark

FP32 (float)

Radeon E8870 +380%

1.536 TFLOPS

Mobility Radeon HD 4650

0.32 TFLOPS

Radeon E8870

VS

Mobility Radeon HD 4650

Graphics Card

Sep 2015

Release Date

Jan 2009

Embedded

Generation

M9x

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1500 MHz

Memory Clock

600 MHz

Memory

4GB

Memory Size

512MB

GDDR5

Memory Type

DDR2

128bit

Memory Bus

128bit

96.00GB/s

Bandwidth

19.20GB/s

Render Config

12

Compute Units

4

-

768

Shading Units

320

48

TMUs

32

16

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

16.00 GPixel/s

Pixel Rate

4.000 GPixel/s

48.00 GTexel/s

Texture Rate

16.00 GTexel/s

-

1.536 TFLOPS

FP32 (float)

320.0 GFLOPS

96.00 GFLOPS

FP64 (double)

-

Board Design

75W

TDP

35W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Saturn

GPU Name

M96

Saturn PRO

GPU Variant

-

GCN 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

2.08 billion

Transistors

0.514 billion

160 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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