AMD Radeon R9 390 X2 vs ATI Radeon HD 5870 Eyefinity 6

VS

AMD Radeon R9 390 X2

ATI Radeon HD 5870 Eyefinity 6

We compared two Desktop platform GPUs: 8GB VRAM Radeon R9 390 X2 and 2GB VRAM Radeon HD 5870 Eyefinity 6 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 390 X2 's Advantages

Released 5 years and 6 months late

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (345.6GB/s vs 153.6GB/s)

960 additional rendering cores

ATI Radeon HD 5870 Eyefinity 6 's Advantages

Lower TDP (228W vs 580W)

Score

Benchmark

FP32 (float)

Radeon R9 390 X2 +88%

5.12 TFLOPS

Radeon HD 5870 Eyefinity 6

2.72 TFLOPS

Radeon R9 390 X2

VS

Radeon HD 5870 Eyefinity 6

Graphics Card

Sep 2015

Release Date

Mar 2010

Pirate Islands

Generation

Evergreen

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1350 MHz

Memory Clock

1200 MHz

Memory

8GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

512bit

Memory Bus

256bit

345.6GB/s

Bandwidth

153.6GB/s

Render Config

40

Compute Units

20

-

2560

Shading Units

1600

160

TMUs

80

64

ROPs

32

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

1024 KB

L2 Cache

512 KB

-

Theoretical Performance

64.00 GPixel/s

Pixel Rate

27.20 GPixel/s

160.0 GTexel/s

Texture Rate

68.00 GTexel/s

-

5.120 TFLOPS

FP32 (float)

2.720 TFLOPS

640.0 GFLOPS

FP64 (double)

544.0 GFLOPS

Board Design

580W

TDP

228W

950 W

Suggested PSU

550 W

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

Outputs

6x mini-DisplayPort 1.1

4x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Grenada

GPU Name

Cypress

Grenada PRO (215-0880030)

GPU Variant

Cypress XT (215-0735033)

GCN 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

6.2 billion

Transistors

2.154 billion

438 mm²

Die Size

334 mm²

Graphics Features

12 (12_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.0

OpenCL

1.2

Vulkan

N/A

-

6.3

Shader Model

5.0

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