ATI Radeon HD 3850 X3 vs AMD Radeon RX 560X

VS

ATI Radeon HD 3850 X3

AMD Radeon RX 560X

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3850 X3 and 4GB VRAM Radeon RX 560X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 560X 's Advantages

Boost Clock1275MHz

More VRAM (4GB vs 512GB)

Larger VRAM bandwidth (112.0GB/s vs 54.40GB/s)

704 additional rendering cores

Lower TDP (75W vs 145W)

Score

Benchmark

FP32 (float)

Radeon HD 3850 X3

0.428 TFLOPS

Radeon RX 560X +510%

2.611 TFLOPS

Radeon HD 3850 X3

VS

Radeon RX 560X

Graphics Card

Unknown

Release Date

Apr 2018

Radeon R600

Generation

Polaris

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1175 MHz

-

Boost Clock

1275 MHz

850 MHz

Memory Clock

1750 MHz

Memory

512MB

Memory Size

4GB

GDDR3

Memory Type

GDDR5

256bit

Memory Bus

128bit

54.40GB/s

Bandwidth

112.0GB/s

Render Config

4

Compute Units

16

-

320

Shading Units

1024

16

TMUs

64

16

ROPs

16

-

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

1024 KB

-

Theoretical Performance

10.70 GPixel/s

Pixel Rate

20.40 GPixel/s

10.70 GTexel/s

Texture Rate

81.60 GTexel/s

-

FP16 (half)

2.611 TFLOPS

428.2 GFLOPS

FP32 (float)

2.611 TFLOPS

-

FP64 (double)

163.2 GFLOPS

Board Design

145W

TDP

75W

300 W

Suggested PSU

250 W

4x DVI

Outputs

1x DVI 1x HDMI 2.0b 1x DisplayPort 1.4a

1x 8-pin

Power Connectors

None

Graphics Processor

RV670

GPU Name

Polaris 21

RV670 PRO (215-0708003)

GPU Variant

Polaris 21 XT (215-0908004)

TeraScale

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

55 nm

Process Size

14 nm

0.666 billion

Transistors

3 billion

192 mm²

Die Size

123 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (12_0)

3.3 (full) 4.0 (partial)

OpenGL

4.6

N/A

OpenCL

2.1

N/A

Vulkan

1.2

-

4.1

Shader Model

6.4

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