AMD Radeon E8870 vs ATI Mobility Radeon HD 3850

VS

AMD Radeon E8870

ATI Mobility Radeon HD 3850

We compared two Mobile platform GPUs: 4GB VRAM Radeon E8870 and 512MB VRAM Mobility Radeon HD 3850 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon E8870 's Advantages

Released 7 years and 3 months late

More VRAM (4GB vs 512GB)

Larger VRAM bandwidth (96.00GB/s vs 48.00GB/s)

448 additional rendering cores

ATI Mobility Radeon HD 3850 's Advantages

Lower TDP (35W vs 75W)

Score

Benchmark

FP32 (float)

Radeon E8870 +314%

1.536 TFLOPS

Mobility Radeon HD 3850

0.371 TFLOPS

Radeon E8870

VS

Mobility Radeon HD 3850

Graphics Card

Sep 2015

Release Date

Jun 2008

Embedded

Generation

M8x

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1500 MHz

Memory Clock

750 MHz

Memory

4GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

256bit

96.00GB/s

Bandwidth

48.00GB/s

Render Config

12

Compute Units

4

-

768

Shading Units

320

48

TMUs

16

ROPs

16

-

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

256 KB

-

Theoretical Performance

16.00 GPixel/s

Pixel Rate

9.280 GPixel/s

48.00 GTexel/s

Texture Rate

9.280 GTexel/s

-

1.536 TFLOPS

FP32 (float)

371.2 GFLOPS

96.00 GFLOPS

FP64 (double)

74.24 GFLOPS

Board Design

75W

TDP

35W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Saturn

GPU Name

M88

Saturn PRO

GPU Variant

-

GCN 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

2.08 billion

Transistors

0.666 billion

160 mm²

Die Size

192 mm²

Graphics Features

12 (12_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.0

OpenCL

N/A

1.2

Vulkan

N/A

-

6.3

Shader Model

4.1

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