AMD Radeon RX 460 1024SP vs AMD Radeon RX 580

VS

AMD Radeon RX 460 1024SP

AMD Radeon RX 580

We compared two Desktop platform GPUs: 2GB VRAM Radeon RX 460 1024SP and 8GB VRAM Radeon RX 580 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 460 1024SP 's Advantages

Lower TDP (75W vs 185W)

AMD Radeon RX 580 's Advantages

Boost Clock has increased by 12% (1340MHz vs 1200MHz)

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (256.0GB/s vs 112.0GB/s)

1280 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 460 1024SP

2.458 TFLOPS

Radeon RX 580 +151%

6.175 TFLOPS

Radeon RX 460 1024SP

VS

Radeon RX 580

Graphics Card

Jan 2017

Release Date

Apr 2017

Arctic Islands

Generation

Polaris

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1090 MHz

Base Clock

1257 MHz

1200 MHz

Boost Clock

1340 MHz

1750 MHz

Memory Clock

2000 MHz

Memory

2GB

Memory Size

8GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

112.0GB/s

Bandwidth

256.0GB/s

Render Config

16

Compute Units

36

-

1024

Shading Units

2304

64

TMUs

144

16

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

2 MB

-

Theoretical Performance

19.20 GPixel/s

Pixel Rate

42.88 GPixel/s

76.80 GTexel/s

Texture Rate

193.0 GTexel/s

2.458 TFLOPS

FP16 (half)

6.175 TFLOPS

2.458 TFLOPS

FP32 (float)

6.175 TFLOPS

153.6 GFLOPS

FP64 (double)

385.9 GFLOPS

Board Design

75W

TDP

185W

250 W

Suggested PSU

450 W

1x DVI 1x HDMI 2.0b 1x DisplayPort 1.4a

Outputs

1x HDMI 2.0b 3x DisplayPort 1.4a

None

Power Connectors

1x 8-pin

Graphics Processor

Baffin

GPU Name

Polaris 20

Baffin XT

GPU Variant

Polaris 20 XTX (215-0910038)

GCN 4.0

Architecture

GCN 4.0

GlobalFoundries

Foundry

GlobalFoundries

14 nm

Process Size

14 nm

3 billion

Transistors

5.7 billion

123 mm²

Die Size

232 mm²

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.2

Vulkan

1.2

-

6.4

Shader Model

6.4

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