ATI Radeon HD 4450 vs ATI Radeon HD 5770 Mac Edition

VS

ATI Radeon HD 4450

ATI Radeon HD 5770 Mac Edition

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4450 and 1024MB VRAM Radeon HD 5770 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4450 's Advantages

Released 1 years and 4 months late

Lower TDP (25W vs 108W)

ATI Radeon HD 5770 Mac Edition 's Advantages

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (76.48GB/s vs 6.400GB/s)

720 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 4450

0.096 TFLOPS

Radeon HD 5770 Mac Edition +1316%

1.36 TFLOPS

Radeon HD 4450

VS

Radeon HD 5770 Mac Edition

Graphics Card

Nov 2011

Release Date

Jul 2010

Radeon R700

Generation

Evergreen

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

400 MHz

Memory Clock

1195 MHz

Memory

512MB

Memory Size

1024MB

DDR2

Memory Type

GDDR5

64bit

Memory Bus

128bit

6.400GB/s

Bandwidth

76.48GB/s

Render Config

1

Compute Units

10

-

80

Shading Units

800

8

TMUs

40

4

ROPs

16

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

64 KB

L2 Cache

256 KB

-

Theoretical Performance

2.400 GPixel/s

Pixel Rate

13.60 GPixel/s

4.800 GTexel/s

Texture Rate

34.00 GTexel/s

-

96.00 GFLOPS

FP32 (float)

1360 GFLOPS

-

Board Design

25W

TDP

108W

200 W

Suggested PSU

300 W

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

Outputs

1x DVI 1x DisplayPort 1.1

None

Power Connectors

1x 6-pin

Graphics Processor

RV710

GPU Name

Juniper

RV710 (215-0725016)

GPU Variant

Juniper XT (215-0754013)

TeraScale

Architecture

TeraScale 2

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.242 billion

Transistors

1.04 billion

73 mm²

Die Size

166 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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