AMD Radeon RX 580 vs AMD Radeon R9 280X

VS

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 580 and 3GB VRAM Radeon R9 280X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 580 's Advantages

Released 3 years and 6 months late

Boost Clock has increased by 34% (1340MHz vs 1000MHz)

More VRAM (8GB vs 3GB)

256 additional rendering cores

Lower TDP (185W vs 250W)

AMD Radeon R9 280X 's Advantages

Larger VRAM bandwidth (288.0GB/s vs 256.0GB/s)

Score

Benchmark

FP32 (float)

Radeon RX 580 +50%

6.175 TFLOPS

Radeon R9 280X

4.096 TFLOPS

3DMark Time Spy

Radeon RX 580 +86%

4359

Radeon R9 280X

2343

Radeon RX 580

VS

Radeon R9 280X

Graphics Card

Apr 2017

Release Date

Oct 2013

Polaris

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1257 MHz

Base Clock

850 MHz

1340 MHz

Boost Clock

1000 MHz

2000 MHz

Memory Clock

1500 MHz

Memory

8GB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

384bit

256.0GB/s

Bandwidth

288.0GB/s

Render Config

-

SM Count

-

36

Compute Units

32

2304

Shading Units

2048

144

TMUs

128

32

ROPs

32

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

768 KB

Theoretical Performance

42.88 GPixel/s

Pixel Rate

32.00 GPixel/s

193.0 GTexel/s

Texture Rate

128.0 GTexel/s

6.175 TFLOPS

FP16 (half)

-

6.175 TFLOPS

FP32 (float)

4.096 TFLOPS

385.9 GFLOPS

FP64 (double)

1024 GFLOPS

Graphics Processor

Polaris 20

GPU Name

Tahiti

Polaris 20 XTX (215-0910038)

GPU Variant

Tahiti XTL (215-0821065)

GCN 4.0

Architecture

GCN 1.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

5.7 billion

Transistors

4.313 billion

232 mm²

Die Size

352 mm²

Board Design

185W

TDP

250W

450 W

Suggested PSU

600 W

1x HDMI 2.0b 3x DisplayPort 1.4a

Outputs

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

1x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

1.2

Vulkan

1.2

-

CUDA

-

6.4

Shader Model

5.1

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