ATI Radeon HD 4890 vs AMD Radeon R7 260

VS

ATI Radeon HD 4890

AMD Radeon R7 260

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 4890 and 2GB VRAM Radeon R7 260 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4890 's Advantages

Larger VRAM bandwidth (124.8GB/s vs 96.00GB/s)

32 additional rendering cores

AMD Radeon R7 260 's Advantages

Released 4 years and 8 months late

More VRAM (2GB vs 1024GB)

Lower TDP (95W vs 190W)

Score

Benchmark

FP32 (float)

Radeon HD 4890

1.36 TFLOPS

Radeon R7 260 +12%

1.536 TFLOPS

Radeon HD 4890

VS

Radeon R7 260

Graphics Card

Apr 2009

Release Date

Dec 2013

Radeon R700

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

975 MHz

Memory Clock

1500 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

124.8GB/s

Bandwidth

96.00GB/s

Render Config

10

Compute Units

12

-

800

Shading Units

768

40

TMUs

48

16

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

13.60 GPixel/s

Pixel Rate

16.00 GPixel/s

34.00 GTexel/s

Texture Rate

48.00 GTexel/s

-

1360 GFLOPS

FP32 (float)

1.536 TFLOPS

272.0 GFLOPS

FP64 (double)

96.00 GFLOPS

Board Design

190W

TDP

95W

450 W

Suggested PSU

250 W

2x DVI 1x S-Video

Outputs

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

2x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

RV790

GPU Name

Bonaire

RV790 XT (215-0758016)

GPU Variant

Bonaire PRO

TeraScale

Architecture

GCN 2.0

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.959 billion

Transistors

2.08 billion

282 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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