AMD Radeon RX 580X vs AMD Radeon R9 280X2

VS

AMD Radeon RX 580X

AMD Radeon R9 280X2

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 580X and 3GB VRAM Radeon R9 280X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 580X 's Advantages

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

More VRAM (8GB vs 3GB)

256 additional rendering cores

Lower TDP (185W vs 375W)

AMD Radeon R9 280X2 's Advantages

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

Score

Benchmark

FP32 (float)

Radeon RX 580X +50%

6.175 TFLOPS

Radeon R9 280X2

4.096 TFLOPS

Radeon RX 580X

VS

Radeon R9 280X2

Graphics Card

Apr 2018

Release Date

Unknown

Polaris

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1257 MHz

Base Clock

950 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

36

Compute Units

32

-

2304

Shading Units

2048

144

TMUs

128

32

ROPs

32

-

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

Board Design

185W

TDP

375W

450 W

Suggested PSU

750 W

1x HDMI 2.0b 3x DisplayPort 1.4a

Outputs

6x mini-DisplayPort 1.2

1x 8-pin

Power Connectors

3x 8-pin

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

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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