AMD Radeon RX 570 X2 vs AMD Radeon HD 6770 Green Edition

VS

AMD Radeon RX 570 X2

AMD Radeon HD 6770 Green Edition

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 570 X2 and 2GB VRAM Radeon HD 6770 Green Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 570 X2 's Advantages

Boost Clock1206MHz

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (268.8GB/s vs 21.34GB/s)

1328 additional rendering cores

AMD Radeon HD 6770 Green Edition 's Advantages

Lower TDP (86W vs 180W)

Score

Benchmark

FP32 (float)

Radeon RX 570 X2 +390%

4.94 TFLOPS

Radeon HD 6770 Green Edition

1.008 TFLOPS

Radeon RX 570 X2

VS

Radeon HD 6770 Green Edition

Graphics Card

Unknown

Release Date

Apr 2013

Mining GPUs

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1120 MHz

Base Clock

-

1206 MHz

Boost Clock

-

2100 MHz

Memory Clock

667 MHz

Memory

8GB

Memory Size

2GB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

128bit

268.8GB/s

Bandwidth

21.34GB/s

Render Config

32

Compute Units

9

-

2048

Shading Units

720

128

TMUs

36

32

ROPs

16

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

2 MB

L2 Cache

256 KB

-

Theoretical Performance

38.59 GPixel/s

Pixel Rate

11.20 GPixel/s

154.4 GTexel/s

Texture Rate

25.20 GTexel/s

4.940 TFLOPS

FP16 (half)

-

4.940 TFLOPS

FP32 (float)

1008 GFLOPS

308.7 GFLOPS

FP64 (double)

-

Board Design

180W

TDP

86W

450 W

Suggested PSU

250 W

1x HDMI 2.0b

Outputs

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

2x 8-pin

Power Connectors

-

Graphics Processor

Polaris 20

GPU Name

Juniper

Polaris 20 XL (215-0910052)

GPU Variant

Juniper LE (215-0754009)

GCN 4.0

Architecture

TeraScale 2

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

40 nm

5.7 billion

Transistors

1.04 billion

232 mm²

Die Size

166 mm²

Graphics Features

12 (12_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1

OpenCL

1.2

Vulkan

N/A

-

6.4

Shader Model

5.0

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