NVIDIA GeForce GTX 260 vs AMD Radeon R9 255 OEM

VS

NVIDIA GeForce GTX 260

AMD Radeon R9 255 OEM

We compared two Desktop platform GPUs: 896MB VRAM GeForce GTX 260 and 2GB VRAM Radeon R9 255 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 260 's Advantages

Larger VRAM bandwidth (111.9GB/s vs 73.60GB/s)

AMD Radeon R9 255 OEM 's Advantages

Released 5 years and 6 months late

Boost Clock930MHz

More VRAM (2GB vs 896GB)

320 additional rendering cores

Lower TDP (65W vs 182W)

Score

Benchmark

FP32 (float)

GeForce GTX 260

0.477 TFLOPS

Radeon R9 255 OEM +99%

0.952 TFLOPS

GeForce GTX 260

VS

Radeon R9 255 OEM

Graphics Card

Jun 2008

Release Date

Dec 2013

GeForce 200

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

900 MHz

-

Boost Clock

930 MHz

999 MHz

Memory Clock

1150 MHz

Memory

896MB

Memory Size

2GB

GDDR3

Memory Type

GDDR5

448bit

Memory Bus

128bit

111.9GB/s

Bandwidth

73.60GB/s

Render Config

-

Compute Units

8

24

SM Count

-

192

Shading Units

512

64

TMUs

32

28

ROPs

16

-

L1 Cache

16 KB (per CU)

224 KB

L2 Cache

256 KB

-

Theoretical Performance

16.13 GPixel/s

Pixel Rate

14.88 GPixel/s

36.86 GTexel/s

Texture Rate

29.76 GTexel/s

-

476.9 GFLOPS

FP32 (float)

952.3 GFLOPS

59.62 GFLOPS

FP64 (double)

59.52 GFLOPS

Board Design

182W

TDP

65W

450 W

Suggested PSU

250 W

2x DVI 1x S-Video

Outputs

No outputs

2x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

GT200

GPU Name

Cape Verde

G200-100-A2

GPU Variant

Cape Verde PRX

Tesla 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

65 nm

Process Size

28 nm

1.4 billion

Transistors

1.5 billion

576 mm²

Die Size

123 mm²

Graphics Features

11.1 (10_0)

DirectX

12 (11_1)

3.3

OpenGL

4.6

1.1

OpenCL

1.2

N/A

Vulkan

1.2

1.3

CUDA

-

4.0

Shader Model

5.1

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