AMD Radeon R9 390 X2 vs ATI Radeon HD 5870

VS

AMD Radeon R9 390 X2

ATI Radeon HD 5870

We compared two Desktop platform GPUs: 8GB VRAM Radeon R9 390 X2 and 1024MB VRAM Radeon HD 5870 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 6 years late

More VRAM (8GB vs 1024GB)

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

960 additional rendering cores

ATI Radeon HD 5870 's Advantages

Lower TDP (188W vs 580W)

Score

Benchmark

FP32 (float)

Radeon R9 390 X2 +88%

5.12 TFLOPS

Radeon HD 5870

2.72 TFLOPS

Radeon R9 390 X2

VS

Radeon HD 5870

Graphics Card

Sep 2015

Release Date

Sep 2009

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

1024MB

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

188W

950 W

Suggested PSU

450 W

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

Outputs

2x DVI 1x HDMI 1.3a 1x DisplayPort 1.1

4x 8-pin

Power Connectors

2x 6-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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