AMD Radeon R9 280X2 vs ATI Radeon HD 5950

VS

AMD Radeon R9 280X2

ATI Radeon HD 5950

We compared two Desktop platform GPUs: 3GB VRAM Radeon R9 280X2 and 1024MB VRAM ATI Radeon HD 5950 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 280X2 's Advantages

Boost Clock1000MHz

More VRAM (3GB vs 1024GB)

Larger VRAM bandwidth (288.0GB/s vs 128.0GB/s)

608 additional rendering cores

ATI Radeon HD 5950 's Advantages

Lower TDP (302W vs 375W)

Score

Benchmark

FP32 (float)

Radeon R9 280X2 +96%

4.096 TFLOPS

ATI Radeon HD 5950

2.088 TFLOPS

Radeon R9 280X2

VS

ATI Radeon HD 5950

Graphics Card

Unknown

Release Date

Unknown

Volcanic Islands

Generation

Evergreen

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

950 MHz

Base Clock

-

1000 MHz

Boost Clock

-

1500 MHz

Memory Clock

1000 MHz

Memory

3GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

256bit

288.0GB/s

Bandwidth

128.0GB/s

Render Config

32

Compute Units

18

-

2048

Shading Units

1440

128

TMUs

72

32

ROPs

32

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

768 KB

L2 Cache

512 KB

-

Theoretical Performance

32.00 GPixel/s

Pixel Rate

23.20 GPixel/s

128.0 GTexel/s

Texture Rate

52.20 GTexel/s

-

4.096 TFLOPS

FP32 (float)

2.088 TFLOPS

1024 GFLOPS

FP64 (double)

-

Board Design

375W

TDP

302W

750 W

Suggested PSU

700 W

6x mini-DisplayPort 1.2

Outputs

2x DVI 1x HDMI 1.3a 1x DisplayPort 1.1

3x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Tahiti

GPU Name

Hemlock

Tahiti XTL (215-0821065)

GPU Variant

Hemlock PRO

GCN 1.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

4.313 billion

Transistors

2.154 billion

352 mm²

Die Size

334 mm²

Graphics Features

12 (11_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

1.2

OpenCL

1.2

Vulkan

N/A

-

5.1

Shader Model

5.0

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