AMD Radeon R9 390X vs ATI Radeon HD 5770

VS

AMD Radeon R9 390X

ATI Radeon HD 5770

We compared two Desktop platform GPUs: 8GB VRAM Radeon R9 390X and 1024MB VRAM Radeon HD 5770 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 8 months late

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (384.0GB/s vs 76.80GB/s)

2016 additional rendering cores

ATI Radeon HD 5770 's Advantages

Lower TDP (108W vs 275W)

Score

Benchmark

FP32 (float)

Radeon R9 390X +334%

5.914 TFLOPS

Radeon HD 5770

1.36 TFLOPS

Radeon R9 390X

VS

Radeon HD 5770

Graphics Card

Jun 2015

Release Date

Oct 2009

Pirate Islands

Generation

Evergreen

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1500 MHz

Memory Clock

1200 MHz

Memory

8GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

512bit

Memory Bus

128bit

384.0GB/s

Bandwidth

76.80GB/s

Render Config

44

Compute Units

10

-

2816

Shading Units

800

176

TMUs

40

64

ROPs

16

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

1024 KB

L2 Cache

256 KB

-

Theoretical Performance

67.20 GPixel/s

Pixel Rate

13.60 GPixel/s

184.8 GTexel/s

Texture Rate

34.00 GTexel/s

-

5.914 TFLOPS

FP32 (float)

1360 GFLOPS

739.2 GFLOPS

FP64 (double)

-

Board Design

275W

TDP

108W

600 W

Suggested PSU

300 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

1x 6-pin

Graphics Processor

Grenada

GPU Name

Juniper

Grenada XT (215-0880004)

GPU Variant

Juniper XT (215-0754013)

GCN 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

6.2 billion

Transistors

1.04 billion

438 mm²

Die Size

166 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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