AMD Radeon R7 260X vs ATI Radeon HD 2900 GT

VS

AMD Radeon R7 260X ATI Radeon HD 2900 GT

We compared two Desktop platform GPUs: 2GB VRAM Radeon R7 260X and 256MB VRAM Radeon HD 2900 GT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R7 260X 's Advantages

Released 5 years and 11 months late

Larger VRAM bandwidth (104.0GB/s vs 51.20GB/s)

656 additional rendering cores

Lower TDP (115W vs 150W)

Score

Benchmark

FP32 (float)

Radeon R7 260X +584%

1.971 TFLOPS

Radeon HD 2900 GT

0.288 TFLOPS

Radeon R7 260X

VS

Radeon HD 2900 GT

Graphics Card

Oct 2013

Release Date

Nov 2007

Volcanic Islands

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1625 MHz

Memory Clock

800 MHz

Memory

2GB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

256bit

104.0GB/s

Bandwidth

51.20GB/s

Render Config

-

SM Count

-

14

Compute Units

3

896

Shading Units

240

56

TMUs

12

16

ROPs

12

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

128 KB

Theoretical Performance

17.60 GPixel/s

Pixel Rate

7.212 GPixel/s

61.60 GTexel/s

Texture Rate

7.212 GTexel/s

-

FP16 (half)

-

1.971 TFLOPS

FP32 (float)

288.5 GFLOPS

123.2 GFLOPS

FP64 (double)

-

Graphics Processor

Bonaire

GPU Name

R600

Bonaire XTX (215-0839097)

GPU Variant

R600 GT (215RGFDKA13FG)

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

Board Design

115W

TDP

150W

300 W

Suggested PSU

450 W

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

Outputs

2x DVI 1x S-Video

1x 6-pin

Power Connectors

1x 8-pin

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

-

CUDA

-

6.3

Shader Model

4.0

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