ATI Radeon HD 5950 vs AMD Radeon R9 270X

VS

ATI Radeon HD 5950

AMD Radeon R9 270X

We compared two Desktop platform GPUs: 1024MB VRAM ATI Radeon HD 5950 and 2GB VRAM Radeon R9 270X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 5950 's Advantages

160 additional rendering cores

AMD Radeon R9 270X 's Advantages

Boost Clock1050MHz

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (179.2GB/s vs 128.0GB/s)

Lower TDP (180W vs 302W)

Score

Benchmark

FP32 (float)

ATI Radeon HD 5950

2.088 TFLOPS

Radeon R9 270X +28%

2.688 TFLOPS

ATI Radeon HD 5950

VS

Radeon R9 270X

Graphics Card

Unknown

Release Date

Oct 2013

Evergreen

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1000 MHz

-

Boost Clock

1050 MHz

1000 MHz

Memory Clock

1400 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

128.0GB/s

Bandwidth

179.2GB/s

Render Config

18

Compute Units

20

-

1440

Shading Units

1280

72

TMUs

80

32

ROPs

32

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

23.20 GPixel/s

Pixel Rate

33.60 GPixel/s

52.20 GTexel/s

Texture Rate

84.00 GTexel/s

-

2.088 TFLOPS

FP32 (float)

2.688 TFLOPS

-

FP64 (double)

168.0 GFLOPS

Board Design

302W

TDP

180W

700 W

Suggested PSU

450 W

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

Outputs

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

1x 6-pin + 1x 8-pin

Power Connectors

2x 6-pin

Graphics Processor

Hemlock

GPU Name

Curacao

Hemlock PRO

GPU Variant

Curacao XT (215-0848004)

TeraScale 2

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

2.154 billion

Transistors

2.8 billion

334 mm²

Die Size

212 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_1)

4.4

OpenGL

4.6

1.2

OpenCL

1.2

N/A

Vulkan

1.2

-

5.0

Shader Model

5.1

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