ATI Radeon HD 4870 X2 vs AMD Radeon R7 260X

VS

ATI Radeon HD 4870 X2

AMD Radeon R7 260X

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 4870 X2 and 2GB VRAM Radeon R7 260X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4870 X2 's Advantages

Larger VRAM bandwidth (115.2GB/s vs 104.0GB/s)

AMD Radeon R7 260X 's Advantages

Released 5 years and 2 months late

More VRAM (2GB vs 1024GB)

96 additional rendering cores

Lower TDP (115W vs 286W)

Score

Benchmark

FP32 (float)

Radeon HD 4870 X2

1.2 TFLOPS

Radeon R7 260X +64%

1.971 TFLOPS

Radeon HD 4870 X2

VS

Radeon R7 260X

Graphics Card

Aug 2008

Release Date

Oct 2013

Radeon R700

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

900 MHz

Memory Clock

1625 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

115.2GB/s

Bandwidth

104.0GB/s

Render Config

10

Compute Units

14

-

800

Shading Units

896

40

TMUs

56

16

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

12.00 GPixel/s

Pixel Rate

17.60 GPixel/s

30.00 GTexel/s

Texture Rate

61.60 GTexel/s

-

1200 GFLOPS

FP32 (float)

1.971 TFLOPS

240.0 GFLOPS

FP64 (double)

123.2 GFLOPS

Board Design

286W

TDP

115W

600 W

Suggested PSU

300 W

2x DVI 1x S-Video

Outputs

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

1x 6-pin + 1x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

R700

GPU Name

Bonaire

R700 XT (215-0669045)

GPU Variant

Bonaire XTX (215-0839097)

TeraScale

Architecture

GCN 2.0

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.956 billion

Transistors

2.08 billion

256 mm²

Die Size

160 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (12_0)

3.3

OpenGL

4.6

1.1

OpenCL

2.0

N/A

Vulkan

1.2

-

4.1

Shader Model

6.3

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