AMD Radeon R9 280 vs ATI Radeon HD 4890

VS

AMD Radeon R9 280

ATI Radeon HD 4890

We compared two Desktop platform GPUs: 3GB VRAM Radeon R9 280 and 1024MB VRAM Radeon HD 4890 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 280 's Advantages

Released 4 years and 11 months late

Boost Clock933MHz

More VRAM (3GB vs 1024GB)

Larger VRAM bandwidth (240.0GB/s vs 124.8GB/s)

992 additional rendering cores

ATI Radeon HD 4890 's Advantages

Lower TDP (190W vs 200W)

Score

Benchmark

FP32 (float)

Radeon R9 280 +145%

3.344 TFLOPS

Radeon HD 4890

1.36 TFLOPS

Radeon R9 280

VS

Radeon HD 4890

Graphics Card

Mar 2014

Release Date

Apr 2009

Volcanic Islands

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

827 MHz

Base Clock

-

933 MHz

Boost Clock

-

1250 MHz

Memory Clock

975 MHz

Memory

3GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

256bit

240.0GB/s

Bandwidth

124.8GB/s

Render Config

28

Compute Units

10

-

1792

Shading Units

800

112

TMUs

40

32

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

768 KB

L2 Cache

256 KB

-

Theoretical Performance

29.86 GPixel/s

Pixel Rate

13.60 GPixel/s

104.5 GTexel/s

Texture Rate

34.00 GTexel/s

-

3.344 TFLOPS

FP32 (float)

1360 GFLOPS

836.0 GFLOPS

FP64 (double)

272.0 GFLOPS

Board Design

200W

TDP

190W

550 W

Suggested PSU

450 W

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

Outputs

2x DVI 1x S-Video

1x 6-pin + 1x 8-pin

Power Connectors

2x 6-pin

Graphics Processor

Tahiti

GPU Name

RV790

Tahiti PRO3 (215-0821330)

GPU Variant

RV790 XT (215-0758016)

GCN 1.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

4.313 billion

Transistors

0.959 billion

352 mm²

Die Size

282 mm²

Graphics Features

12 (11_1)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

1.2

OpenCL

1.1

1.2

Vulkan

N/A

-

5.1

Shader Model

4.1

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