AMD Radeon HD 7850M vs AMD Radeon HD 7470A

VS

AMD Radeon HD 7850M

AMD Radeon HD 7470A

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 7850M and 512MB VRAM Radeon HD 7470A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7850M 's Advantages

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (64.00GB/s vs 12.80GB/s)

480 additional rendering cores

AMD Radeon HD 7470A 's Advantages

Lower TDP (25W vs 40W)

Score

Benchmark

FP32 (float)

Radeon HD 7850M +332%

0.864 TFLOPS

Radeon HD 7470A

0.2 TFLOPS

Radeon HD 7850M

VS

Radeon HD 7470A

Graphics Card

Apr 2012

Release Date

Jan 2012

London

Generation

All-In-One

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-A (3.0)

Clock Speeds

-

1000 MHz

Memory Clock

800 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

64bit

64.00GB/s

Bandwidth

12.80GB/s

Render Config

10

Compute Units

2

-

640

Shading Units

160

40

TMUs

8

16

ROPs

4

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

10.80 GPixel/s

Pixel Rate

2.500 GPixel/s

27.00 GTexel/s

Texture Rate

5.000 GTexel/s

-

864.0 GFLOPS

FP32 (float)

200.0 GFLOPS

54.00 GFLOPS

FP64 (double)

-

Board Design

40W

TDP

25W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Heathrow

GPU Name

Caicos

Heathrow PRO

GPU Variant

-

GCN 1.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.5 billion

Transistors

0.37 billion

123 mm²

Die Size

67 mm²

Graphics Features

12 (11_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

1.2

OpenCL

1.2

Vulkan

N/A

-

5.1

Shader Model

5.0

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