AMD Radeon RX 580 vs AMD Radeon R9 295X2

VS

AMD Radeon RX 580

AMD Radeon R9 295X2

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 580 and 4GB VRAM Radeon R9 295X2 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 late

Boost Clock1340MHz

More VRAM (8GB vs 4GB)

Lower TDP (185W vs 500W)

AMD Radeon R9 295X2 's Advantages

Larger VRAM bandwidth (320.0GB/s vs 256.0GB/s)

512 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 580 +7%

6.175 TFLOPS

Radeon R9 295X2

5.733 TFLOPS

Radeon RX 580

VS

Radeon R9 295X2

Graphics Card

Apr 2017

Release Date

Apr 2014

Polaris

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1257 MHz

Base Clock

-

1340 MHz

Boost Clock

-

2000 MHz

Memory Clock

1250 MHz

Memory

8GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

512bit

256.0GB/s

Bandwidth

320.0GB/s

Render Config

36

Compute Units

44

-

2304

Shading Units

2816

144

TMUs

176

32

ROPs

64

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

1024 KB

-

Theoretical Performance

42.88 GPixel/s

Pixel Rate

65.15 GPixel/s

193.0 GTexel/s

Texture Rate

179.2 GTexel/s

6.175 TFLOPS

FP16 (half)

-

6.175 TFLOPS

FP32 (float)

5.733 TFLOPS

385.9 GFLOPS

FP64 (double)

716.7 GFLOPS

Board Design

185W

TDP

500W

450 W

Suggested PSU

900 W

1x HDMI 2.0b 3x DisplayPort 1.4a

Outputs

1x DVI 4x mini-DisplayPort 1.2

1x 8-pin

Power Connectors

2x 8-pin

Graphics Processor

Polaris 20

GPU Name

Vesuvius

Polaris 20 XTX (215-0910038)

GPU Variant

Vesuvius XT (215-0852022)

GCN 4.0

Architecture

GCN 2.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

5.7 billion

Transistors

6.2 billion

232 mm²

Die Size

438 mm²

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.0

1.2

Vulkan

1.2

-

6.4

Shader Model

6.3

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