AMD Radeon R7 260X vs ATI Radeon HD 2900 XT

VS

AMD Radeon R7 260X

ATI Radeon HD 2900 XT

We compared two Desktop platform GPUs: 2GB VRAM Radeon R7 260X and 512MB VRAM Radeon HD 2900 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R7 260X 's Advantages

Released 6 years and 5 months late

More VRAM (2GB vs 512GB)

576 additional rendering cores

Lower TDP (115W vs 215W)

ATI Radeon HD 2900 XT 's Advantages

Larger VRAM bandwidth (106.0GB/s vs 104.0GB/s)

Score

Benchmark

FP32 (float)

Radeon R7 260X +314%

1.971 TFLOPS

Radeon HD 2900 XT

0.476 TFLOPS

Radeon R7 260X

VS

Radeon HD 2900 XT

Graphics Card

Oct 2013

Release Date

May 2007

Volcanic Islands

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

1625 MHz

Memory Clock

828 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

512bit

104.0GB/s

Bandwidth

106.0GB/s

Render Config

14

Compute Units

4

-

896

Shading Units

320

56

TMUs

16

ROPs

16

-

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

256 KB

-

Theoretical Performance

17.60 GPixel/s

Pixel Rate

11.89 GPixel/s

61.60 GTexel/s

Texture Rate

11.89 GTexel/s

-

1.971 TFLOPS

FP32 (float)

475.5 GFLOPS

123.2 GFLOPS

FP64 (double)

-

Board Design

115W

TDP

215W

300 W

Suggested PSU

550 W

2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

Outputs

2x DVI 1x S-Video

1x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Bonaire

GPU Name

R600

Bonaire XTX (215-0839097)

GPU Variant

R600 XT (215RGMDKA13FG)

GCN 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

80 nm

2.08 billion

Transistors

0.72 billion

160 mm²

Die Size

420 mm²

Graphics Features

12 (12_0)

DirectX

10.0 (10_0)

4.6

OpenGL

3.3 (full) 4.0 (partial)

2.0

OpenCL

N/A

1.2

Vulkan

N/A

-

6.3

Shader Model

4.0

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