AMD Radeon RX 470 vs AMD Radeon R9 270 1024SP

VS

AMD Radeon RX 470

AMD Radeon R9 270 1024SP

We compared two Desktop platform GPUs: 4GB VRAM Radeon RX 470 and 2GB VRAM Radeon R9 270 1024SP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 470 's Advantages

Released 1 years and 5 months late

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

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (211.2GB/s vs 153.6GB/s)

1024 additional rendering cores

Lower TDP (120W vs 150W)

Score

Benchmark

FP32 (float)

Radeon RX 470 +160%

4.94 TFLOPS

Radeon R9 270 1024SP

1.894 TFLOPS

Radeon RX 470

VS

Radeon R9 270 1024SP

Graphics Card

Aug 2016

Release Date

Mar 2015

Arctic Islands

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

926 MHz

Base Clock

900 MHz

1206 MHz

Boost Clock

925 MHz

1650 MHz

Memory Clock

1200 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

211.2GB/s

Bandwidth

153.6GB/s

Render Config

32

Compute Units

16

-

2048

Shading Units

1024

128

TMUs

64

32

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

512 KB

-

Theoretical Performance

38.59 GPixel/s

Pixel Rate

29.60 GPixel/s

154.4 GTexel/s

Texture Rate

59.20 GTexel/s

4.940 TFLOPS

FP16 (half)

-

4.940 TFLOPS

FP32 (float)

1.894 TFLOPS

308.7 GFLOPS

FP64 (double)

118.4 GFLOPS

Board Design

120W

TDP

150W

300 W

Suggested PSU

450 W

1x HDMI 2.0b 3x DisplayPort 1.4a

Outputs

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

1x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

Ellesmere

GPU Name

Pitcairn

Polaris 10 PRO (215-0876204)

GPU Variant

Pitcairn PRO (215-0828062)

GCN 4.0

Architecture

GCN 1.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

5.7 billion

Transistors

2.8 billion

232 mm²

Die Size

212 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

1.2

Vulkan

1.2

-

6.4

Shader Model

5.1

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