AMD Radeon R7 265 vs AMD Radeon RX 580

VS

We compared two Desktop platform GPUs: 2GB VRAM Radeon R7 265 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 R7 265 's Advantages

Lower TDP (150W vs 185W)

AMD Radeon RX 580 's Advantages

Released 3 years and 2 months late

Boost Clock has increased by 45% (1340MHz vs 925MHz)

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (256.0GB/s vs 179.2GB/s)

1280 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R7 265

1.894 TFLOPS

Radeon RX 580 +226%

6.175 TFLOPS

Radeon R7 265

VS

Radeon RX 580

Graphics Card

Feb 2014

Release Date

Apr 2017

Volcanic Islands

Generation

Polaris

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

900 MHz

Base Clock

1257 MHz

925 MHz

Boost Clock

1340 MHz

1400 MHz

Memory Clock

2000 MHz

Memory

2GB

Memory Size

8GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

179.2GB/s

Bandwidth

256.0GB/s

Render Config

-

SM Count

-

16

Compute Units

36

1024

Shading Units

2304

64

TMUs

144

32

ROPs

32

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

2 MB

Theoretical Performance

29.60 GPixel/s

Pixel Rate

42.88 GPixel/s

59.20 GTexel/s

Texture Rate

193.0 GTexel/s

-

FP16 (half)

6.175 TFLOPS

1.894 TFLOPS

FP32 (float)

6.175 TFLOPS

118.4 GFLOPS

FP64 (double)

385.9 GFLOPS

Graphics Processor

Pitcairn

GPU Name

Polaris 20

Pitcairn PRO (215-0828062)

GPU Variant

Polaris 20 XTX (215-0910038)

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

Board Design

150W

TDP

185W

450 W

Suggested PSU

450 W

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

Outputs

1x HDMI 2.0b 3x DisplayPort 1.4a

1x 6-pin

Power Connectors

1x 8-pin

Graphics Features

12 (11_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

1.2

OpenCL

2.1

1.2

Vulkan

1.2

-

CUDA

-

5.1

Shader Model

6.4

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