AMD Radeon R9 270 vs AMD Radeon RX 470

VS

AMD Radeon R9 270

AMD Radeon RX 470

We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 270 and 4GB VRAM Radeon RX 470 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 470 's Advantages

Released 2 years and 9 months late

Boost Clock has increased by 30% (1206MHz vs 925MHz)

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (211.2GB/s vs 179.2GB/s)

768 additional rendering cores

Lower TDP (120W vs 150W)

Score

Benchmark

FP32 (float)

Radeon R9 270

2.368 TFLOPS

Radeon RX 470 +108%

4.94 TFLOPS

3DMark Time Spy

Radeon R9 270

1603

Radeon RX 470 +129%

3678

Radeon R9 270

VS

Radeon RX 470

Graphics Card

Nov 2013

Release Date

Aug 2016

Volcanic Islands

Generation

Arctic Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

900 MHz

Base Clock

926 MHz

925 MHz

Boost Clock

1206 MHz

1400 MHz

Memory Clock

1650 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

179.2GB/s

Bandwidth

211.2GB/s

Render Config

20

Compute Units

32

-

1280

Shading Units

2048

80

TMUs

128

32

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

2 MB

-

Theoretical Performance

29.60 GPixel/s

Pixel Rate

38.59 GPixel/s

74.00 GTexel/s

Texture Rate

154.4 GTexel/s

-

FP16 (half)

4.940 TFLOPS

2.368 TFLOPS

FP32 (float)

4.940 TFLOPS

148.0 GFLOPS

FP64 (double)

308.7 GFLOPS

Board Design

150W

TDP

120W

450 W

Suggested PSU

300 W

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

Outputs

1x HDMI 2.0b 3x DisplayPort 1.4a

1x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

Curacao

GPU Name

Ellesmere

Curacao PRO (215-0848000)

GPU Variant

Polaris 10 PRO (215-0876204)

GCN 1.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

2.8 billion

Transistors

5.7 billion

212 mm²

Die Size

232 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

1.2

OpenCL

2.1

1.2

Vulkan

1.2

-

5.1

Shader Model

6.4

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