AMD Radeon HD 6870M vs AMD Radeon HD 8950M

VS

AMD Radeon HD 6870M

AMD Radeon HD 8950M

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6870M and 2GB VRAM Radeon HD 8950M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6870M 's Advantages

32 additional rendering cores

Lower TDP (50W vs 100W)

AMD Radeon HD 8950M 's Advantages

Released 2 years and 4 months late

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (88.00GB/s vs 64.00GB/s)

Score

Benchmark

FP32 (float)

Radeon HD 6870M

1.08 TFLOPS

Radeon HD 8950M +52%

1.651 TFLOPS

Radeon HD 6870M

VS

Radeon HD 8950M

Graphics Card

Jan 2011

Release Date

May 2013

Vancouver

Generation

Solar System

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

1375 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

64.00GB/s

Bandwidth

88.00GB/s

Render Config

10

Compute Units

12

-

800

Shading Units

768

40

TMUs

48

16

ROPs

16

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

10.80 GPixel/s

Pixel Rate

17.20 GPixel/s

27.00 GTexel/s

Texture Rate

51.60 GTexel/s

-

1080 GFLOPS

FP32 (float)

1.651 TFLOPS

-

FP64 (double)

103.2 GFLOPS

Board Design

50W

TDP

100W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Granville

GPU Name

Saturn

Granville XT (216-0769024)

GPU Variant

Saturn XT

TeraScale 2

Architecture

GCN 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.04 billion

Transistors

2.08 billion

166 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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