AMD Radeon R9 280X2 vs AMD Radeon RX 580G

VS

AMD Radeon R9 280X2

AMD Radeon RX 580G

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

Main Differences

AMD Radeon R9 280X2 's Advantages

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

AMD Radeon RX 580G 's Advantages

Boost Clock has increased by 33% (1330MHz vs 1000MHz)

More VRAM (8GB vs 3GB)

256 additional rendering cores

Lower TDP (185W vs 375W)

Score

Benchmark

FP32 (float)

Radeon R9 280X2

4.096 TFLOPS

Radeon RX 580G +49%

6.129 TFLOPS

Radeon R9 280X2

VS

Radeon RX 580G

Graphics Card

Unknown

Release Date

Oct 2018

Volcanic Islands

Generation

Polaris

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

950 MHz

Base Clock

1257 MHz

1000 MHz

Boost Clock

1330 MHz

1500 MHz

Memory Clock

2000 MHz

Memory

3GB

Memory Size

8GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

256bit

288.0GB/s

Bandwidth

256.0GB/s

Render Config

32

Compute Units

36

-

2048

Shading Units

2304

128

TMUs

144

32

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

768 KB

L2 Cache

2 MB

-

Theoretical Performance

32.00 GPixel/s

Pixel Rate

42.56 GPixel/s

128.0 GTexel/s

Texture Rate

191.5 GTexel/s

-

FP16 (half)

6.129 TFLOPS

4.096 TFLOPS

FP32 (float)

6.129 TFLOPS

1024 GFLOPS

FP64 (double)

383.0 GFLOPS

Board Design

375W

TDP

185W

750 W

Suggested PSU

450 W

6x mini-DisplayPort 1.2

Outputs

1x HDMI 2.0b 3x DisplayPort 1.4a

3x 8-pin

Power Connectors

1x 8-pin

Graphics Processor

Tahiti

GPU Name

Polaris 20

Tahiti XTL (215-0821065)

GPU Variant

Polaris 20 XTX (215-0910038)

GCN 1.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

4.313 billion

Transistors

5.7 billion

352 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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