ATI Radeon HD 4670 vs ATI Radeon HD 4450

VS

ATI Radeon HD 4670

ATI Radeon HD 4450

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4670 and 512MB VRAM Radeon HD 4450 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 6.400GB/s)

240 additional rendering cores

ATI Radeon HD 4450 's Advantages

Released 3 years and 2 months late

Lower TDP (25W vs 59W)

Score

Benchmark

FP32 (float)

Radeon HD 4670 +400%

0.48 TFLOPS

Radeon HD 4450

0.096 TFLOPS

Radeon HD 4670

VS

Radeon HD 4450

Graphics Card

Sep 2008

Release Date

Nov 2011

Radeon R700

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

400 MHz

Memory

512MB

Memory Size

512MB

GDDR3

Memory Type

DDR2

128bit

Memory Bus

64bit

32.00GB/s

Bandwidth

6.400GB/s

Render Config

4

Compute Units

1

-

320

Shading Units

80

32

TMUs

8

ROPs

4

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

64 KB

-

Theoretical Performance

6.000 GPixel/s

Pixel Rate

2.400 GPixel/s

24.00 GTexel/s

Texture Rate

4.800 GTexel/s

-

480.0 GFLOPS

FP32 (float)

96.00 GFLOPS

-

Board Design

59W

TDP

25W

250 W

Suggested PSU

200 W

2x DVI 1x S-Video

Outputs

1x DVI 1x HDMI 1.3a 1x DisplayPort 1.0

None

Power Connectors

None

Graphics Processor

RV730

GPU Name

RV710

RV730 XT (215-0719047)

GPU Variant

RV710 (215-0725016)

TeraScale

Architecture

TeraScale

TSMC

Foundry

TSMC

55 nm

Process Size

55 nm

0.514 billion

Transistors

0.242 billion

146 mm²

Die Size

73 mm²

Graphics Features

10.1 (10_1)

DirectX

10.1 (10_1)

3.3

OpenGL

3.3

1.1

OpenCL

1.1

N/A

Vulkan

N/A

-

4.1

Shader Model

4.1

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