ATI Radeon HD 4670 vs AMD Radeon HD 7450 OEM

VS

ATI Radeon HD 4670

AMD Radeon HD 7450 OEM

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4670 and 512MB VRAM Radeon HD 7450 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4670 's Advantages

Larger VRAM bandwidth (32.00GB/s vs 8.528GB/s)

160 additional rendering cores

AMD Radeon HD 7450 OEM 's Advantages

Released 3 years and 4 months late

Lower TDP (18W vs 59W)

Score

Benchmark

FP32 (float)

Radeon HD 4670 +140%

0.48 TFLOPS

Radeon HD 7450 OEM

0.2 TFLOPS

Radeon HD 4670

VS

Radeon HD 7450 OEM

Graphics Card

Sep 2008

Release Date

Jan 2012

Radeon R700

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

533 MHz

Memory

512MB

Memory Size

512MB

GDDR3

Memory Type

GDDR3

128bit

Memory Bus

64bit

32.00GB/s

Bandwidth

8.528GB/s

Render Config

4

Compute Units

2

-

320

Shading Units

160

32

TMUs

8

ROPs

4

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

128 KB

L2 Cache

128 KB

-

Theoretical Performance

6.000 GPixel/s

Pixel Rate

2.500 GPixel/s

24.00 GTexel/s

Texture Rate

5.000 GTexel/s

-

480.0 GFLOPS

FP32 (float)

200.0 GFLOPS

-

Board Design

59W

TDP

18W

250 W

Suggested PSU

200 W

2x DVI 1x S-Video

Outputs

1x DVI 1x HDMI 1.3a

None

Power Connectors

None

Graphics Processor

RV730

GPU Name

Caicos

RV730 XT (215-0719047)

GPU Variant

Caimour

TeraScale

Architecture

TeraScale 2

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.514 billion

Transistors

0.37 billion

146 mm²

Die Size

67 mm²

Graphics Features

10.1 (10_1)

DirectX

11.2 (11_0)

3.3

OpenGL

4.4

1.1

OpenCL

1.2

N/A

Vulkan

N/A

-

4.1

Shader Model

5.0

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