AMD Radeon HD 6670A vs AMD Radeon E8870

VS

AMD Radeon HD 6670A

AMD Radeon E8870

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6670A and 4GB VRAM Radeon E8870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6670A 's Advantages

Lower TDP (45W vs 75W)

AMD Radeon E8870 's Advantages

Released 4 years and 5 months late

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (96.00GB/s vs 64.00GB/s)

288 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6670A

0.576 TFLOPS

Radeon E8870 +166%

1.536 TFLOPS

Radeon HD 6670A

VS

Radeon E8870

Graphics Card

Apr 2011

Release Date

Sep 2015

All-In-One

Generation

Embedded

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

MXM-B (3.0)

Clock Speeds

-

1000 MHz

Memory Clock

1500 MHz

Memory

1024MB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

64.00GB/s

Bandwidth

96.00GB/s

Render Config

6

Compute Units

12

-

480

Shading Units

768

24

TMUs

48

8

ROPs

16

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

4.800 GPixel/s

Pixel Rate

16.00 GPixel/s

14.40 GTexel/s

Texture Rate

48.00 GTexel/s

-

576.0 GFLOPS

FP32 (float)

1.536 TFLOPS

-

FP64 (double)

96.00 GFLOPS

Board Design

45W

TDP

75W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Turks

GPU Name

Saturn

Turks XT (215-0803000)

GPU Variant

Saturn PRO

TeraScale 2

Architecture

GCN 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.716 billion

Transistors

2.08 billion

118 mm²

Die Size

160 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (12_0)

4.4

OpenGL

4.6

1.2

OpenCL

2.0

N/A

Vulkan

1.2

-

5.0

Shader Model

6.3

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