AMD Radeon HD 6450 OEM vs ATI Radeon HD 4450

VS

AMD Radeon HD 6450 OEM

ATI Radeon HD 4450

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

Main Differences

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)

ATI Radeon HD 4450 's Advantages

Released 9 months late

Score

Benchmark

FP32 (float)

Radeon HD 6450 OEM +108%

0.2 TFLOPS

Radeon HD 4450

0.096 TFLOPS

Radeon HD 6450 OEM

VS

Radeon HD 4450

Graphics Card

Feb 2011

Release Date

Nov 2011

Northern Islands

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

533 MHz

Memory Clock

400 MHz

Memory

512MB

Memory Size

512MB

GDDR3

Memory Type

DDR2

64bit

Memory Bus

64bit

8.528GB/s

Bandwidth

6.400GB/s

Render Config

2

Compute Units

1

-

160

Shading Units

80

8

TMUs

8

4

ROPs

4

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

64 KB

-

Theoretical Performance

2.500 GPixel/s

Pixel Rate

2.400 GPixel/s

5.000 GTexel/s

Texture Rate

4.800 GTexel/s

-

200.0 GFLOPS

FP32 (float)

96.00 GFLOPS

-

Board Design

18W

TDP

25W

200 W

Suggested PSU

200 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

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

None

Power Connectors

None

Graphics Processor

Caicos

GPU Name

RV710

Junbonator

GPU Variant

RV710 (215-0725016)

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

0.37 billion

Transistors

0.242 billion

67 mm²

Die Size

73 mm²

Graphics Features

11.2 (11_0)

DirectX

10.1 (10_1)

4.4

OpenGL

3.3

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

5.0

Shader Model

4.1

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