ATI Radeon HD 4870 Mac Edition vs ATI Radeon HD 3570

VS

ATI Radeon HD 4870 Mac Edition

ATI Radeon HD 3570

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4870 Mac Edition and 512MB VRAM Radeon HD 3570 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4870 Mac Edition 's Advantages

Larger VRAM bandwidth (108.8GB/s vs 7.920GB/s)

760 additional rendering cores

ATI Radeon HD 3570 's Advantages

Released 1 years and 6 months late

Lower TDP (30W vs 150W)

Score

Benchmark

FP32 (float)

Radeon HD 4870 Mac Edition +1775%

1.2 TFLOPS

Radeon HD 3570

0.064 TFLOPS

Radeon HD 4870 Mac Edition

VS

Radeon HD 3570

Graphics Card

Jan 2009

Release Date

Jul 2010

Radeon R700

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

850 MHz

Memory Clock

495 MHz

Memory

512MB

Memory Size

512MB

GDDR5

Memory Type

DDR2

256bit

Memory Bus

64bit

108.8GB/s

Bandwidth

7.920GB/s

Render Config

10

Compute Units

2

-

800

Shading Units

40

TMUs

4

16

ROPs

4

-

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

64 KB

-

Theoretical Performance

12.00 GPixel/s

Pixel Rate

3.184 GPixel/s

30.00 GTexel/s

Texture Rate

3.184 GTexel/s

-

1200 GFLOPS

FP32 (float)

63.68 GFLOPS

240.0 GFLOPS

FP64 (double)

-

Board Design

150W

TDP

30W

450 W

Suggested PSU

200 W

1x DVI 1x mini-DisplayPort 1.0

Outputs

2x DisplayPort

2x 6-pin

Power Connectors

None

Graphics Processor

RV770

GPU Name

RV620

RV770 XT Mac (215-0669080)

GPU Variant

RV620 PRO (215-0670006)

TeraScale

Architecture

TeraScale

TSMC

Foundry

TSMC

55 nm

Process Size

55 nm

0.956 billion

Transistors

0.181 billion

256 mm²

Die Size

67 mm²

Graphics Features

10.1 (10_1)

DirectX

10.1 (10_1)

3.3

OpenGL

3.3

1.1

OpenCL

N/A

Vulkan

N/A

-

4.1

Shader Model

4.1

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