AMD Radeon R9 270 1024SP vs AMD Radeon R9 290X

VS

AMD Radeon R9 270 1024SP

AMD Radeon R9 290X

We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 270 1024SP and 4GB VRAM Radeon R9 290X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 270 1024SP 's Advantages

Released 1 years and 5 months late

Boost Clock925MHz

Lower TDP (150W vs 290W)

AMD Radeon R9 290X 's Advantages

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (320.0GB/s vs 153.6GB/s)

1792 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 270 1024SP

1.894 TFLOPS

Radeon R9 290X +197%

5.632 TFLOPS

Radeon R9 270 1024SP

VS

Radeon R9 290X

Graphics Card

Mar 2015

Release Date

Oct 2013

Volcanic Islands

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

900 MHz

Base Clock

-

925 MHz

Boost Clock

-

1200 MHz

Memory Clock

1250 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

512bit

153.6GB/s

Bandwidth

320.0GB/s

Render Config

16

Compute Units

44

-

1024

Shading Units

2816

64

TMUs

176

32

ROPs

64

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

1024 KB

-

Theoretical Performance

29.60 GPixel/s

Pixel Rate

64.00 GPixel/s

59.20 GTexel/s

Texture Rate

176.0 GTexel/s

-

1.894 TFLOPS

FP32 (float)

5.632 TFLOPS

118.4 GFLOPS

FP64 (double)

704.0 GFLOPS

Board Design

150W

TDP

290W

450 W

Suggested PSU

600 W

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

Outputs

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

1x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Pitcairn

GPU Name

Hawaii

Pitcairn PRO (215-0828062)

GPU Variant

Hawaii XT (215-0852000)

GCN 1.0

Architecture

GCN 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.8 billion

Transistors

6.2 billion

212 mm²

Die Size

438 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

1.2

OpenCL

2.0

1.2

Vulkan

1.2

-

5.1

Shader Model

6.3

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