AMD Radeon RX 550 vs AMD Radeon HD 7850

VS

AMD Radeon RX 550

AMD Radeon HD 7850

We compared two Desktop platform GPUs: 2GB VRAM Radeon RX 550 and 2GB VRAM Radeon HD 7850 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 550 's Advantages

Released 5 years and 1 months late

Boost Clock1183MHz

Lower TDP (50W vs 130W)

AMD Radeon HD 7850 's Advantages

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

512 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 550

1.211 TFLOPS

Radeon HD 7850 +45%

1.761 TFLOPS

3DMark Time Spy

Radeon RX 550

1200

Radeon HD 7850 +9%

1312

Radeon RX 550

VS

Radeon HD 7850

Graphics Card

Apr 2017

Release Date

Mar 2012

Polaris

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1100 MHz

Base Clock

-

1183 MHz

Boost Clock

-

1750 MHz

Memory Clock

1200 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

112.0GB/s

Bandwidth

153.6GB/s

Render Config

8

Compute Units

16

-

512

Shading Units

1024

32

TMUs

64

16

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

18.93 GPixel/s

Pixel Rate

27.52 GPixel/s

37.86 GTexel/s

Texture Rate

55.04 GTexel/s

1211 GFLOPS

FP16 (half)

-

1211 GFLOPS

FP32 (float)

1.761 TFLOPS

75.71 GFLOPS

FP64 (double)

110.1 GFLOPS

Board Design

50W

TDP

130W

250 W

Suggested PSU

300 W

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

Outputs

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

None

Power Connectors

1x 6-pin

Graphics Processor

Lexa

GPU Name

Pitcairn

Lexa PRO (215-0904018)

GPU Variant

Pitcairn PRO (215-0828062)

GCN 4.0

Architecture

GCN 1.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

2.2 billion

Transistors

2.8 billion

103 mm²

Die Size

212 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

1.2

Vulkan

1.2

-

6.4

Shader Model

5.1

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