ATI Radeon HD 3470 vs AMD Radeon HD 7470 OEM

VS

ATI Radeon HD 3470

AMD Radeon HD 7470 OEM

We compared two Desktop platform GPUs: 256MB VRAM Radeon HD 3470 and 1024MB VRAM Radeon HD 7470 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7470 OEM 's Advantages

Released 4 years late

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (28.80GB/s vs 15.20GB/s)

120 additional rendering cores

Lower TDP (27W vs 30W)

Score

Benchmark

FP32 (float)

Radeon HD 3470

0.064 TFLOPS

Radeon HD 7470 OEM +275%

0.24 TFLOPS

Radeon HD 3470

VS

Radeon HD 7470 OEM

Graphics Card

Jan 2008

Release Date

Jan 2012

Radeon R600

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

950 MHz

Memory Clock

900 MHz

Memory

256MB

Memory Size

1024MB

GDDR3

Memory Type

GDDR5

64bit

Memory Bus

64bit

15.20GB/s

Bandwidth

28.80GB/s

Render Config

2

Compute Units

2

-

40

Shading Units

160

4

TMUs

8

4

ROPs

4

-

L1 Cache

8 KB (per CU)

64 KB

L2 Cache

128 KB

-

Theoretical Performance

3.200 GPixel/s

Pixel Rate

3.000 GPixel/s

3.200 GTexel/s

Texture Rate

6.000 GTexel/s

-

64.00 GFLOPS

FP32 (float)

240.0 GFLOPS

-

Board Design

30W

TDP

27W

200 W

Suggested PSU

200 W

1x DVI 1x VGA 1x S-Video

Outputs

1x DVI 1x DisplayPort 1.1

None

Power Connectors

None

Graphics Processor

RV620

GPU Name

Caicos

RV620 PRO (215-0670006)

GPU Variant

Khalidster

TeraScale

Architecture

TeraScale 2

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.181 billion

Transistors

0.37 billion

67 mm²

Die Size

67 mm²

Graphics Features

10.1 (10_1)

DirectX

11.2 (11_0)

3.3

OpenGL

4.4

N/A

OpenCL

1.2

N/A

Vulkan

N/A

-

4.1

Shader Model

5.0

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