ATI Radeon HD 5770 X2 vs AMD Radeon R9 390X

VS

ATI Radeon HD 5770 X2

AMD Radeon R9 390X

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 5770 X2 and 8GB VRAM Radeon R9 390X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 390X 's Advantages

Released 4 years and 8 months late

More VRAM (8GB vs 1024GB)

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

2016 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 5770 X2

1.36 TFLOPS

Radeon R9 390X +334%

5.914 TFLOPS

Radeon HD 5770 X2

VS

Radeon R9 390X

Graphics Card

Oct 2010

Release Date

Jun 2015

Evergreen

Generation

Pirate Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1200 MHz

Memory Clock

1500 MHz

Memory

1024MB

Memory Size

8GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

512bit

76.80GB/s

Bandwidth

384.0GB/s

Render Config

10

Compute Units

44

-

800

Shading Units

2816

40

TMUs

176

16

ROPs

64

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

1024 KB

-

Theoretical Performance

13.60 GPixel/s

Pixel Rate

67.20 GPixel/s

34.00 GTexel/s

Texture Rate

184.8 GTexel/s

-

1360 GFLOPS

FP32 (float)

5.914 TFLOPS

-

FP64 (double)

739.2 GFLOPS

Board Design

Unknown

TDP

275W

200 W

Suggested PSU

600 W

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

Outputs

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

-

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Juniper

GPU Name

Grenada

Juniper XT (215-0754013)

GPU Variant

Grenada XT (215-0880004)

TeraScale 2

Architecture

GCN 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.04 billion

Transistors

6.2 billion

166 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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