AMD Radeon HD 7850 vs AMD Radeon 550X

VS

AMD Radeon HD 7850

AMD Radeon 550X

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 7850 and 2GB VRAM Radeon 550X 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)

512 additional rendering cores

AMD Radeon 550X 's Advantages

Released 7 years late

Boost Clock1218MHz

Lower TDP (50W vs 130W)

Score

Benchmark

FP32 (float)

Radeon HD 7850 +41%

1.761 TFLOPS

Radeon 550X

1.247 TFLOPS

Radeon HD 7850

VS

Radeon 550X

Graphics Card

Mar 2012

Release Date

Mar 2019

Southern Islands

Generation

Polaris

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1082 MHz

-

Boost Clock

1218 MHz

1200 MHz

Memory Clock

1750 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

153.6GB/s

Bandwidth

112.0GB/s

Render Config

16

Compute Units

8

-

1024

Shading Units

512

64

TMUs

32

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

27.52 GPixel/s

Pixel Rate

19.49 GPixel/s

55.04 GTexel/s

Texture Rate

38.98 GTexel/s

-

FP16 (half)

1247 GFLOPS

1.761 TFLOPS

FP32 (float)

1247 GFLOPS

110.1 GFLOPS

FP64 (double)

77.95 GFLOPS

Board Design

130W

TDP

50W

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

Lexa

Pitcairn PRO (215-0828062)

GPU Variant

Lexa PRO (215-0904018)

GCN 1.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

2.8 billion

Transistors

2.2 billion

212 mm²

Die Size

103 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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