AMD Radeon HD 7850 vs AMD Radeon RX 560X

VS

AMD Radeon HD 7850

AMD Radeon RX 560X

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 7850 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 HD 7850 's Advantages

Larger VRAM bandwidth (153.6GB/s vs 112.0GB/s)

AMD Radeon RX 560X 's Advantages

Released 6 years and 1 months late

Boost Clock1275MHz

More VRAM (4GB vs 2GB)

Lower TDP (75W vs 130W)

Score

Benchmark

FP32 (float)

Radeon HD 7850

1.761 TFLOPS

Radeon RX 560X +48%

2.611 TFLOPS

Radeon HD 7850

VS

Radeon RX 560X

Graphics Card

Mar 2012

Release Date

Apr 2018

Southern Islands

Generation

Polaris

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1175 MHz

-

Boost Clock

1275 MHz

1200 MHz

Memory Clock

1750 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

153.6GB/s

Bandwidth

112.0GB/s

Render Config

16

Compute Units

16

-

1024

Shading Units

1024

64

TMUs

64

32

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

1024 KB

-

Theoretical Performance

27.52 GPixel/s

Pixel Rate

20.40 GPixel/s

55.04 GTexel/s

Texture Rate

81.60 GTexel/s

-

FP16 (half)

2.611 TFLOPS

1.761 TFLOPS

FP32 (float)

2.611 TFLOPS

110.1 GFLOPS

FP64 (double)

163.2 GFLOPS

Board Design

130W

TDP

75W

300 W

Suggested PSU

250 W

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

Outputs

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

1x 6-pin

Power Connectors

None

Graphics Processor

Pitcairn

GPU Name

Polaris 21

Pitcairn PRO (215-0828062)

GPU Variant

Polaris 21 XT (215-0908004)

GCN 1.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

2.8 billion

Transistors

3 billion

212 mm²

Die Size

123 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

1.2

OpenCL

2.1

1.2

Vulkan

1.2

-

5.1

Shader Model

6.4

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