AMD Radeon R9 390X vs ATI Radeon HD 5850

VS

AMD Radeon R9 390X

ATI Radeon HD 5850

We compared two Desktop platform GPUs: 8GB VRAM Radeon R9 390X and 1024MB VRAM Radeon HD 5850 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 390X 's Advantages

Released 5 years and 9 months late

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (384.0GB/s vs 128.0GB/s)

1376 additional rendering cores

ATI Radeon HD 5850 's Advantages

Lower TDP (151W vs 275W)

Score

Benchmark

FP32 (float)

Radeon R9 390X +183%

5.914 TFLOPS

Radeon HD 5850

2.088 TFLOPS

Radeon R9 390X

VS

Radeon HD 5850

Graphics Card

Jun 2015

Release Date

Sep 2009

Pirate Islands

Generation

Evergreen

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1500 MHz

Memory Clock

1000 MHz

Memory

8GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

512bit

Memory Bus

256bit

384.0GB/s

Bandwidth

128.0GB/s

Render Config

44

Compute Units

18

-

2816

Shading Units

1440

176

TMUs

72

64

ROPs

32

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

1024 KB

L2 Cache

512 KB

-

Theoretical Performance

67.20 GPixel/s

Pixel Rate

23.20 GPixel/s

184.8 GTexel/s

Texture Rate

52.20 GTexel/s

-

5.914 TFLOPS

FP32 (float)

2.088 TFLOPS

739.2 GFLOPS

FP64 (double)

417.6 GFLOPS

Board Design

275W

TDP

151W

600 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

1x 6-pin + 1x 8-pin

Power Connectors

2x 6-pin

Graphics Processor

Grenada

GPU Name

Cypress

Grenada XT (215-0880004)

GPU Variant

Cypress PRO (215-0735043)

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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