AMD Radeon R9 270X vs AMD Radeon RX 570 X2

VS

AMD Radeon R9 270X

AMD Radeon RX 570 X2

We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 270X and 8GB VRAM Radeon RX 570 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 570 X2 's Advantages

Boost Clock has increased by 15% (1206MHz vs 1050MHz)

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (268.8GB/s vs 179.2GB/s)

768 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 270X

2.688 TFLOPS

Radeon RX 570 X2 +83%

4.94 TFLOPS

Radeon R9 270X

VS

Radeon RX 570 X2

Graphics Card

Oct 2013

Release Date

Unknown

Volcanic Islands

Generation

Mining GPUs

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1000 MHz

Base Clock

1120 MHz

1050 MHz

Boost Clock

1206 MHz

1400 MHz

Memory Clock

2100 MHz

Memory

2GB

Memory Size

8GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

179.2GB/s

Bandwidth

268.8GB/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

33.60 GPixel/s

Pixel Rate

38.59 GPixel/s

84.00 GTexel/s

Texture Rate

154.4 GTexel/s

-

FP16 (half)

4.940 TFLOPS

2.688 TFLOPS

FP32 (float)

4.940 TFLOPS

168.0 GFLOPS

FP64 (double)

308.7 GFLOPS

Board Design

180W

TDP

180W

450 W

Suggested PSU

450 W

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

Outputs

1x HDMI 2.0b

2x 6-pin

Power Connectors

2x 8-pin

Graphics Processor

Curacao

GPU Name

Polaris 20

Curacao XT (215-0848004)

GPU Variant

Polaris 20 XL (215-0910052)

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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