AMD Radeon R9 255 OEM vs ATI Radeon X1600 XT Dual

VS

AMD Radeon R9 255 OEM

ATI Radeon X1600 XT Dual

We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 255 OEM and 256MB VRAM Radeon X1600 XT Dual to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 255 OEM 's Advantages

Boost Clock930MHz

More VRAM (2GB vs 256GB)

Larger VRAM bandwidth (73.60GB/s vs 22.08GB/s)

512 additional rendering cores

Score

Radeon R9 255 OEM

VS

Radeon X1600 XT Dual

Graphics Card

Dec 2013

Release Date

Unknown

Volcanic Islands

Generation

Radeon R500 PCIe

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

900 MHz

Base Clock

-

930 MHz

Boost Clock

-

1150 MHz

Memory Clock

690 MHz

Memory

2GB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

128bit

73.60GB/s

Bandwidth

22.08GB/s

Render Config

8

Compute Units

-

512

Shading Units

-

32

TMUs

4

16

ROPs

4

-

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

-

Theoretical Performance

14.88 GPixel/s

Pixel Rate

2.360 GPixel/s

29.76 GTexel/s

Texture Rate

2.360 GTexel/s

-

952.3 GFLOPS

FP32 (float)

-

59.52 GFLOPS

FP64 (double)

-

Board Design

65W

TDP

Unknown

250 W

Suggested PSU

200 W

No outputs

Outputs

2x DVI

1x 6-pin

Power Connectors

1x Molex

Graphics Processor

Cape Verde

GPU Name

RV530

Cape Verde PRX

GPU Variant

-

GCN 1.0

Architecture

Ultra-Threaded SE

TSMC

Foundry

TSMC

28 nm

Process Size

90 nm

1.5 billion

Transistors

0.157 billion

123 mm²

Die Size

150 mm²

Graphics Features

12 (11_1)

DirectX

9.0c (9_3)

4.6

OpenGL

2.1

1.2

OpenCL

N/A

1.2

Vulkan

N/A

-

5.1

Shader Model

3.0

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