AMD Radeon E8870 vs AMD Radeon HD 6970M

VS

AMD Radeon E8870

AMD Radeon HD 6970M

We compared two Mobile platform GPUs: 4GB VRAM Radeon E8870 and 1024MB VRAM Radeon HD 6970M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon E8870 's Advantages

Released 4 years and 8 months late

More VRAM (4GB vs 1024GB)

AMD Radeon HD 6970M 's Advantages

Larger VRAM bandwidth (115.2GB/s vs 96.00GB/s)

192 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon E8870 +17%

1.536 TFLOPS

Radeon HD 6970M

1.306 TFLOPS

Radeon E8870

VS

Radeon HD 6970M

Graphics Card

Sep 2015

Release Date

Jan 2011

Embedded

Generation

Vancouver

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-B (3.0)

Clock Speeds

-

1500 MHz

Memory Clock

900 MHz

Memory

4GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

96.00GB/s

Bandwidth

115.2GB/s

Render Config

12

Compute Units

12

-

768

Shading Units

960

48

TMUs

48

16

ROPs

32

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

16.00 GPixel/s

Pixel Rate

21.76 GPixel/s

48.00 GTexel/s

Texture Rate

32.64 GTexel/s

-

1.536 TFLOPS

FP32 (float)

1306 GFLOPS

96.00 GFLOPS

FP64 (double)

-

Board Design

75W

TDP

75W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Saturn

GPU Name

Blackcomb

Saturn PRO

GPU Variant

Blackcomb XT (216-0811000)

GCN 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

2.08 billion

Transistors

1.7 billion

160 mm²

Die Size

212 mm²

Graphics Features

12 (12_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.0

OpenCL

1.2

Vulkan

N/A

-

6.3

Shader Model

5.0

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