ATI Radeon X1650 GT vs ATI Radeon HD 4870 Mac Edition

VS

ATI Radeon X1650 GT

ATI Radeon HD 4870 Mac Edition

We compared two Desktop platform GPUs: 128MB VRAM Radeon X1650 GT and 512MB VRAM Radeon HD 4870 Mac Edition 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

Released 1 years and 8 months late

More VRAM (512GB vs 128GB)

Larger VRAM bandwidth (108.8GB/s vs 12.80GB/s)

800 additional rendering cores

Score

Radeon X1650 GT

VS

Radeon HD 4870 Mac Edition

Graphics Card

May 2007

Release Date

Jan 2009

Radeon R500 PCIe

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

400 MHz

Memory Clock

850 MHz

Memory

128MB

Memory Size

512MB

GDDR3

Memory Type

GDDR5

128bit

Memory Bus

256bit

12.80GB/s

Bandwidth

108.8GB/s

Render Config

-

Compute Units

10

-

Shading Units

800

8

TMUs

40

8

ROPs

16

-

L1 Cache

16 KB (per CU)

-

L2 Cache

256 KB

-

Theoretical Performance

3.200 GPixel/s

Pixel Rate

12.00 GPixel/s

3.200 GTexel/s

Texture Rate

30.00 GTexel/s

-

FP32 (float)

1200 GFLOPS

-

FP64 (double)

240.0 GFLOPS

Board Design

Unknown

TDP

150W

200 W

Suggested PSU

450 W

1x DVI 1x VGA 1x S-Video

Outputs

1x DVI 1x mini-DisplayPort 1.0

None

Power Connectors

2x 6-pin

Graphics Processor

RV560

GPU Name

RV770

RV560 GT

GPU Variant

RV770 XT Mac (215-0669080)

Ultra-Threaded SE

Architecture

TeraScale

TSMC

Foundry

TSMC

80 nm

Process Size

55 nm

0.312 billion

Transistors

0.956 billion

230 mm²

Die Size

256 mm²

Graphics Features

9.0c (9_3)

DirectX

10.1 (10_1)

2.1

OpenGL

3.3

N/A

OpenCL

1.1

N/A

Vulkan

N/A

-

3.0

Shader Model

4.1

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