ATI Radeon HD 4450 vs AMD Radeon HD 6450 OEM

VS

ATI Radeon HD 4450

AMD Radeon HD 6450 OEM

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4450 and 512MB VRAM Radeon HD 6450 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4450 's Advantages

Released 9 months late

AMD Radeon HD 6450 OEM 's Advantages

Larger VRAM bandwidth (8.528GB/s vs 6.400GB/s)

80 additional rendering cores

Lower TDP (18W vs 25W)

Score

Benchmark

FP32 (float)

Radeon HD 4450

0.096 TFLOPS

Radeon HD 6450 OEM +108%

0.2 TFLOPS

Radeon HD 4450

VS

Radeon HD 6450 OEM

Graphics Card

Nov 2011

Release Date

Feb 2011

Radeon R700

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

400 MHz

Memory Clock

533 MHz

Memory

512MB

Memory Size

512MB

DDR2

Memory Type

GDDR3

64bit

Memory Bus

64bit

6.400GB/s

Bandwidth

8.528GB/s

Render Config

1

Compute Units

2

-

80

Shading Units

160

8

TMUs

8

4

ROPs

4

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

64 KB

L2 Cache

128 KB

-

Theoretical Performance

2.400 GPixel/s

Pixel Rate

2.500 GPixel/s

4.800 GTexel/s

Texture Rate

5.000 GTexel/s

-

96.00 GFLOPS

FP32 (float)

200.0 GFLOPS

-

Board Design

25W

TDP

18W

200 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

None

Power Connectors

None

Graphics Processor

RV710

GPU Name

Caicos

RV710 (215-0725016)

GPU Variant

Junbonator

TeraScale

Architecture

TeraScale 2

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.242 billion

Transistors

0.37 billion

73 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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