AMD Radeon HD 7470A vs ATI Mobility Radeon HD 4850

VS

AMD Radeon HD 7470A

ATI Mobility Radeon HD 4850

We compared two Mobile platform GPUs: 512MB VRAM Radeon HD 7470A and 1024MB VRAM Mobility Radeon HD 4850 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7470A 's Advantages

Released 3 years late

ATI Mobility Radeon HD 4850 's Advantages

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (54.40GB/s vs 12.80GB/s)

640 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7470A

0.2 TFLOPS

Mobility Radeon HD 4850 +302%

0.804 TFLOPS

Radeon HD 7470A

VS

Mobility Radeon HD 4850

Graphics Card

Jan 2012

Release Date

Jan 2009

All-In-One

Generation

M9x

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

800 MHz

Memory Clock

850 MHz

Memory

512MB

Memory Size

1024MB

GDDR3

Memory Type

GDDR3

64bit

Memory Bus

256bit

12.80GB/s

Bandwidth

54.40GB/s

Render Config

2

Compute Units

10

-

160

Shading Units

800

8

TMUs

40

4

ROPs

16

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

2.500 GPixel/s

Pixel Rate

8.048 GPixel/s

5.000 GTexel/s

Texture Rate

20.12 GTexel/s

-

200.0 GFLOPS

FP32 (float)

804.8 GFLOPS

-

FP64 (double)

161.0 GFLOPS

Board Design

25W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Graphics Processor

Caicos

GPU Name

M98

-

GPU Variant

M98 L2 (216-0732019)

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

0.37 billion

Transistors

0.956 billion

67 mm²

Die Size

256 mm²

Graphics Features

11.2 (11_0)

DirectX

10.1 (10_1)

4.4

OpenGL

3.3

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

5.0

Shader Model

4.1

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