AMD Radeon E8870 vs ATI Mobility Radeon HD 4870

VS

AMD Radeon E8870

ATI Mobility Radeon HD 4870

We compared two Mobile platform GPUs: 4GB VRAM Radeon E8870 and 512MB VRAM Mobility Radeon HD 4870 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 56.83GB/s)

ATI Mobility Radeon HD 4870 's Advantages

32 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon E8870 +74%

1.536 TFLOPS

Mobility Radeon HD 4870

0.88 TFLOPS

Radeon E8870

VS

Mobility Radeon HD 4870

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

888 MHz

Memory

4GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

256bit

96.00GB/s

Bandwidth

56.83GB/s

Render Config

12

Compute Units

10

-

768

Shading Units

800

48

TMUs

40

16

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

16.00 GPixel/s

Pixel Rate

8.800 GPixel/s

48.00 GTexel/s

Texture Rate

22.00 GTexel/s

-

1.536 TFLOPS

FP32 (float)

880.0 GFLOPS

96.00 GFLOPS

FP64 (double)

176.0 GFLOPS

Board Design

75W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Processor

Saturn

GPU Name

M98

Saturn PRO

GPU Variant

M98 XT L2 (216-0732023)

GCN 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

2.08 billion

Transistors

0.956 billion

160 mm²

Die Size

256 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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