ATI Radeon X1650 GTO vs AMD Radeon R9 255 OEM

VS

ATI Radeon X1650 GTO

AMD Radeon R9 255 OEM

We compared two Desktop platform GPUs: 256MB VRAM Radeon X1650 GTO and 2GB VRAM Radeon R9 255 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 255 OEM 's Advantages

Released 6 years late

Boost Clock930MHz

More VRAM (2GB vs 256GB)

Larger VRAM bandwidth (73.60GB/s vs 12.54GB/s)

512 additional rendering cores

Score

Radeon X1650 GTO

VS

Radeon R9 255 OEM

Graphics Card

Dec 2007

Release Date

Dec 2013

Radeon R500 PCIe

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

900 MHz

-

Boost Clock

930 MHz

392 MHz

Memory Clock

1150 MHz

Memory

256MB

Memory Size

2GB

DDR2

Memory Type

GDDR5

128bit

Memory Bus

128bit

12.54GB/s

Bandwidth

73.60GB/s

Render Config

-

Compute Units

8

-

Shading Units

512

4

TMUs

32

4

ROPs

16

-

L1 Cache

16 KB (per CU)

-

L2 Cache

256 KB

-

Theoretical Performance

2.348 GPixel/s

Pixel Rate

14.88 GPixel/s

2.348 GTexel/s

Texture Rate

29.76 GTexel/s

-

FP32 (float)

952.3 GFLOPS

-

FP64 (double)

59.52 GFLOPS

Board Design

Unknown

TDP

65W

200 W

Suggested PSU

250 W

1x HDMI 1x VGA

Outputs

No outputs

None

Power Connectors

1x 6-pin

Graphics Processor

RV530

GPU Name

Cape Verde

RV530 LE

GPU Variant

Cape Verde PRX

Ultra-Threaded SE

Architecture

GCN 1.0

TSMC

Foundry

TSMC

90 nm

Process Size

28 nm

0.157 billion

Transistors

1.5 billion

150 mm²

Die Size

123 mm²

Graphics Features

9.0c (9_3)

DirectX

12 (11_1)

2.1

OpenGL

4.6

N/A

OpenCL

1.2

N/A

Vulkan

1.2

-

3.0

Shader Model

5.1

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