AMD Radeon RX 455 OEM vs ATI Radeon HD 5770 Mac Edition

VS

AMD Radeon RX 455 OEM

ATI Radeon HD 5770 Mac Edition

We compared two Desktop platform GPUs: 2GB VRAM Radeon RX 455 OEM and 1024MB VRAM Radeon HD 5770 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 455 OEM 's Advantages

Released 5 years and 11 months late

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (104.0GB/s vs 76.48GB/s)

Lower TDP (100W vs 108W)

ATI Radeon HD 5770 Mac Edition 's Advantages

32 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 455 OEM +18%

1.613 TFLOPS

Radeon HD 5770 Mac Edition

1.36 TFLOPS

Radeon RX 455 OEM

VS

Radeon HD 5770 Mac Edition

Graphics Card

Jun 2016

Release Date

Jul 2010

Arctic Islands

Generation

Evergreen

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1625 MHz

Memory Clock

1195 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

104.0GB/s

Bandwidth

76.48GB/s

Render Config

12

Compute Units

10

-

768

Shading Units

800

48

TMUs

40

16

ROPs

16

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

16.80 GPixel/s

Pixel Rate

13.60 GPixel/s

50.40 GTexel/s

Texture Rate

34.00 GTexel/s

-

1.613 TFLOPS

FP32 (float)

1360 GFLOPS

100.8 GFLOPS

FP64 (double)

-

Board Design

100W

TDP

108W

300 W

Suggested PSU

300 W

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

Outputs

1x DVI 1x DisplayPort 1.1

1x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

Tobago

GPU Name

Juniper

Tobago PRO (215-0875010)

GPU Variant

Juniper XT (215-0754013)

GCN 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

2.08 billion

Transistors

1.04 billion

160 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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