Radeon HD 6870M Overview

Radeon HD 6870M
Memory: 1024Mb GDDR5MOBILE
Release date: 4 Jan 2011

Core Configuration

GPU	Granville
Architecture	ATI_TeraScale
Shaders : TMUs : ROPs	800 : 40 : 16
Raytracing Cores	none
Performance	1080.00 GFLOPs

Memory Configuration

Memory Size	1024 Mb
Memory Bus Width	128 bit
Memory Speed	1000 MHz 4000 MHz effective
Memory Bandwidth	64.00 Gb/s

Summary

Relative performance

Radeon HD 8530M
100%
Radeon HD 8730M
100%
Radeon HD 8570M
98%
Radeon HD 8590M
98%
Radeon HD 8690M
98%
GeForce GT 640M
94%
GeForce GT 735M
87%
Radeon HD 8670A
85%
GeForce GT 745M Rev. 2
83%
GeForce GT 640M LE
75%
GeForce 710M
54%
Radeon HD 6990M
18%
Radeon HD 6970M
15%
Radeon HD 6950M
12%
Radeon HD 6850M
12%
Radeon HD 6870M
12%
GeForce GTX 675M
11%
GeForce GTX 580M
11%
Radeon HD 6830M
10%
GeForce GTX 485M
10%
GeForce GTX 670M
9%
GeForce GTX 570M
8%
Radeon HD 7690M XT
8%
Radeon HD 7690M
8%
Radeon HD 6730M
8%
Radeon HD 6770M
8%
GeForce GTX 560M
6%
Radeon HD 7670M
6%
Radeon HD 7590M
6%
Radeon HD 6570M
6%

Data interpolated by architecture, based on benchmarks charts.

The Radeon HD 6870M is a graphics card released by AMD on 4 Jan 2011. The graphics card houses the Granville die, based on the ATI_TeraScale architecture which packs 1,040 million transistors on a 40 nm, 166 mm2 die.

Radeon HD 6870M pros and cons

Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications

Specifications

Compared to similar performing cards


	Radeon HD 6870M	Radeon HD 8530M	Radeon HD 8730M	Radeon HD 6970M	Radeon HD 6950M
		compare	compare	compare	compare
Shader units	800	384	384	960	960
ROPs	16	8	8	32	32
Graphics processor	Granville	Mars	Mars	Blackcomb	Blackcomb
Process size	40 nm	28 nm	28 nm	40 nm	40 nm
Memory	1024 Mb GDDR5 (1000 MHz 4000 MHz effective)	1024 Mb DDR3 (900 MHz 1800 MHz effective)	1024 Mb DDR3 (1000 MHz 2000 MHz effective)	1024 Mb GDDR5 (900 MHz 3600 MHz effective)	1024 Mb GDDR5 (900 MHz 3600 MHz effective)
Memory bus width	128 bit	64 bit	128 bit	256 bit	256 bit
Memory bandwidth	64.00 Gb/s	14.40 Gb/s	32.00 Gb/s	115.20 Gb/s	115.20 Gb/s
Release date	4 Jan 2011	10 Jan 2014	1 Apr 2013	4 Jan 2011	4 Jan 2011

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