GPU Comparison

A

AMD

RADEON

AMD Radeon R9 M295X

CORE STATE Amethyst

VRAM 4 GB

CLOCK SPEED —

TDP 250 W

BUS WIDTH 256 bit

ARCHITECTURE GCN 3.0

nm

PROCESS 28 nm

LAUNCH DATE 2014

VS

A

AMD

RADEON

Radeon RX 580

CORE STATE Polaris 20

VRAM 8 GB

CLOCK SPEED 1340 MHz

TDP 185 W

BUS WIDTH 256 bit

ARCHITECTURE GCN 4.0

nm

PROCESS 14 nm

LAUNCH DATE 2017

PERFORMANCE BENCHMARKS

geekbench_metal

33,733

52,176

geekbench_opencl

22,719

37,453

geekbench_vulkan

29,171

45,173

3dmark_3dmark_steel_nomad_dx12

N/A

1,005

passmark_directx_10

N/A

46

passmark_directx_11

N/A

60

passmark_directx_12

N/A

43

passmark_directx_9

N/A

124

passmark_g2d

N/A

769

passmark_g3d

N/A

8,813

passmark_gpu_compute

N/A

3,488

DETAILED SPECIFICATIONS

SPECIFICATION

R9 M295X

RX 580

Core Specs

Shading Units

2,048

2,304 +12.5%

Shaders

2,048

2,304 +12.5%

TMUs

128

144 +12.5%

ROPs

32

32 0.0%

Compute Units

32

36 +12.5%

Clocks

Base Clock

—

1257 MHz

Boost Clock

—

1340 MHz

GPU Clock

723 MHz

—

Memory Clock

1250 MHz 5 Gbps effective

2000 MHz 8 Gbps effective

Memory

Memory Size

4 GB

8 GB

VRAM (MB)

4,096

8,192 +100.0%

Memory Type

GDDR5

GDDR5

Memory Bus

256 bit

256 bit

Bandwidth

160.0 GB/s

256.0 GB/s

Cache

L1 Cache

16 KB (per CU)

16 KB (per CU)

L2 Cache

512 KB

2 MB

Performance

Pixel Rate

23.14 GPixel/s

42.88 GPixel/s

Texture Rate

92.54 GTexel/s

193.0 GTexel/s

FP32 (TFLOPS)

2.961 TFLOPS

6.175 TFLOPS

FP64 (TFLOPS)

185.1 GFLOPS (1:16)

385.9 GFLOPS (1:16)

FP16 (TFLOPS)

2.961 TFLOPS (1:1)

6.175 TFLOPS (1:1)

Power

TDP

250 W

185 W

TDP (W)

250

185 -26.0%

Suggested PSU

—

450 W

Power Connectors

None

1x 8-pin

Architecture

Architecture

GCN 3.0

GCN 4.0

GPU Name

Amethyst

Polaris 20

Generation

Gem System (R9 M200)

Polaris (RX 500)

Process Size

28 nm

14 nm

Transistors

5,000 million

5,700 million

Die Size

366 mm²

232 mm²

Foundry

TSMC

GlobalFoundries

Density

13.7M / mm²

24.6M / mm²

API Support

DirectX

12 (12_0)

12 (12_0)

OpenGL

4.6

4.6

Vulkan

1.2.170

1.3

OpenCL

2.1

2.1

Shader Model

6.5

6.7

Physical

Slot Width

MXM Module

Dual-slot

Length

—

241 mm 9.5 inches

Outputs

Portable Device Dependent

1x HDMI 2.0b3x DisplayPort 1.4a

Bus Interface

MXM-B (3.0)

PCIe 3.0 x16

Other

Launch Price

—

229 USD

Production

End-of-life

End-of-life

Predecessor

Solar System

Arctic Islands

Successor

Polaris Mobile

Vega

View Radeon R9 M295X Details View Radeon RX 580 Details