AMD Radeon HD 8830M vs AMD Radeon HD 7470A

VS

AMD Radeon HD 8830M

AMD Radeon HD 7470A

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 8830M 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 8830M 's Advantages

Released 1 years and 3 months late

Boost Clock625MHz

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (32.00GB/s vs 12.80GB/s)

480 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8830M +300%

0.8 TFLOPS

Radeon HD 7470A

0.2 TFLOPS

Radeon HD 8830M

VS

Radeon HD 7470A

Graphics Card

Apr 2013

Release Date

Jan 2012

Solar System

Generation

All-In-One

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-A (3.0)

Clock Speeds

575 MHz

Base Clock

-

625 MHz

Boost Clock

-

1000 MHz

Memory Clock

800 MHz

Memory

2GB

Memory Size

512MB

DDR3

Memory Type

GDDR3

128bit

Memory Bus

64bit

32.00GB/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

10.00 GPixel/s

Pixel Rate

2.500 GPixel/s

25.00 GTexel/s

Texture Rate

5.000 GTexel/s

-

800.0 GFLOPS

FP32 (float)

200.0 GFLOPS

50.00 GFLOPS

FP64 (double)

-

Board Design

Unknown

TDP

25W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Venus

GPU Name

Caicos

Venus LE (216-0846030)

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

2.1 (1.2)

OpenCL

1.2

1.2.170

Vulkan

N/A

-

6.5 (5.1)

Shader Model

5.0

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