ATI Radeon HD 5870 Mac Edition vs AMD Radeon R9 390

VS

ATI Radeon HD 5870 Mac Edition

AMD Radeon R9 390

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 5870 Mac Edition and 8GB VRAM Radeon R9 390 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 5870 Mac Edition 's Advantages

Lower TDP (228W vs 275W)

AMD Radeon R9 390 's Advantages

Released 5 years late

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (384.0GB/s vs 153.0GB/s)

960 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 5870 Mac Edition

2.72 TFLOPS

Radeon R9 390 +88%

5.12 TFLOPS

Radeon HD 5870 Mac Edition

VS

Radeon R9 390

Graphics Card

Jun 2010

Release Date

Jun 2015

Evergreen

Generation

Pirate Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1195 MHz

Memory Clock

1500 MHz

Memory

1024MB

Memory Size

8GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

512bit

153.0GB/s

Bandwidth

384.0GB/s

Render Config

20

Compute Units

40

-

1600

Shading Units

2560

80

TMUs

160

32

ROPs

64

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

1024 KB

-

Theoretical Performance

27.20 GPixel/s

Pixel Rate

64.00 GPixel/s

68.00 GTexel/s

Texture Rate

160.0 GTexel/s

-

2.720 TFLOPS

FP32 (float)

5.120 TFLOPS

544.0 GFLOPS

FP64 (double)

640.0 GFLOPS

Board Design

228W

TDP

275W

550 W

Suggested PSU

600 W

1x DVI 2x mini-DisplayPort 1.1

Outputs

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

2x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Cypress

GPU Name

Grenada

Cypress XT (215-0735033)

GPU Variant

Grenada PRO (215-0880030)

TeraScale 2

Architecture

GCN 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

2.154 billion

Transistors

6.2 billion

334 mm²

Die Size

438 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (12_0)

4.4

OpenGL

4.6

1.2

OpenCL

2.0

N/A

Vulkan

1.2

-

5.0

Shader Model

6.3

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