ATI Mobility Radeon HD 5470 vs AMD Radeon HD 6870M

VS

ATI Mobility Radeon HD 5470

AMD Radeon HD 6870M

We compared two Mobile platform GPUs: 512MB VRAM Mobility Radeon HD 5470 and 1024MB VRAM Radeon HD 6870M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 5470 's Advantages

Lower TDP (15W vs 50W)

AMD Radeon HD 6870M 's Advantages

Released 1 years late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (64.00GB/s vs 25.60GB/s)

720 additional rendering cores

Score

Benchmark

FP32 (float)

Mobility Radeon HD 5470

0.12 TFLOPS

Radeon HD 6870M +800%

1.08 TFLOPS

Mobility Radeon HD 5470

VS

Radeon HD 6870M

Graphics Card

Jan 2010

Release Date

Jan 2011

Manhattan

Generation

Vancouver

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

-

800 MHz

Memory Clock

1000 MHz

Memory

512MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

128bit

25.60GB/s

Bandwidth

64.00GB/s

Render Config

1

Compute Units

10

-

80

Shading Units

800

8

TMUs

40

4

ROPs

16

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

3.000 GPixel/s

Pixel Rate

10.80 GPixel/s

6.000 GTexel/s

Texture Rate

27.00 GTexel/s

-

120.0 GFLOPS

FP32 (float)

1080 GFLOPS

-

Board Design

15W

TDP

50W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Park

GPU Name

Granville

Park XT (216-0774009)

GPU Variant

Granville XT (216-0769024)

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.292 billion

Transistors

1.04 billion

59 mm²

Die Size

166 mm²

Graphics Features

11.2 (11_0)

DirectX

11.2 (11_0)

4.4

OpenGL

4.4

1.2

OpenCL

1.2

N/A

Vulkan

N/A

-

5.0

Shader Model

5.0

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