ATI Radeon HD 4890 vs ATI Radeon X1600 XT Dual

VS

ATI Radeon HD 4890

ATI Radeon X1600 XT Dual

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 4890 and 256MB VRAM Radeon X1600 XT Dual to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4890 's Advantages

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (124.8GB/s vs 22.08GB/s)

800 additional rendering cores

Score

Radeon HD 4890

VS

Radeon X1600 XT Dual

Graphics Card

Apr 2009

Release Date

Unknown

Radeon R700

Generation

Radeon R500 PCIe

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

975 MHz

Memory Clock

690 MHz

Memory

1024MB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

128bit

124.8GB/s

Bandwidth

22.08GB/s

Render Config

10

Compute Units

-

800

Shading Units

-

40

TMUs

4

16

ROPs

4

-

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

-

Theoretical Performance

13.60 GPixel/s

Pixel Rate

2.360 GPixel/s

34.00 GTexel/s

Texture Rate

2.360 GTexel/s

-

1360 GFLOPS

FP32 (float)

-

272.0 GFLOPS

FP64 (double)

-

Board Design

190W

TDP

Unknown

450 W

Suggested PSU

200 W

2x DVI 1x S-Video

Outputs

2x DVI

2x 6-pin

Power Connectors

1x Molex

Graphics Processor

RV790

GPU Name

RV530

RV790 XT (215-0758016)

GPU Variant

-

TeraScale

Architecture

Ultra-Threaded SE

TSMC

Foundry

TSMC

55 nm

Process Size

90 nm

0.959 billion

Transistors

0.157 billion

282 mm²

Die Size

150 mm²

Graphics Features

10.1 (10_1)

DirectX

9.0c (9_3)

3.3

OpenGL

2.1

1.1

OpenCL

N/A

Vulkan

N/A

-

4.1

Shader Model

3.0

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