AMD Radeon 550X 640SP vs ATI Radeon HD 5850

VS

AMD Radeon 550X 640SP

ATI Radeon HD 5850

We compared two Desktop platform GPUs: 4GB VRAM Radeon 550X 640SP and 1024MB VRAM Radeon HD 5850 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon 550X 640SP 's Advantages

Released 8 years and 7 months late

Boost Clock1071MHz

More VRAM (4GB vs 1024GB)

Lower TDP (50W vs 151W)

ATI Radeon HD 5850 's Advantages

Larger VRAM bandwidth (128.0GB/s vs 48.00GB/s)

800 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon 550X 640SP

1.371 TFLOPS

Radeon HD 5850 +52%

2.088 TFLOPS

Radeon 550X 640SP

VS

Radeon HD 5850

Graphics Card

Apr 2018

Release Date

Sep 2009

Polaris

Generation

Evergreen

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

1019 MHz

Base Clock

-

1071 MHz

Boost Clock

-

1500 MHz

Memory Clock

1000 MHz

Memory

4GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

256bit

48.00GB/s

Bandwidth

128.0GB/s

Render Config

10

Compute Units

18

-

640

Shading Units

1440

40

TMUs

72

16

ROPs

32

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

17.14 GPixel/s

Pixel Rate

23.20 GPixel/s

42.84 GTexel/s

Texture Rate

52.20 GTexel/s

1371 GFLOPS

FP16 (half)

-

1371 GFLOPS

FP32 (float)

2.088 TFLOPS

85.68 GFLOPS

FP64 (double)

417.6 GFLOPS

Board Design

50W

TDP

151W

250 W

Suggested PSU

450 W

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

Outputs

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

None

Power Connectors

2x 6-pin

Graphics Processor

Lexa

GPU Name

Cypress

Lexa PRO (215-0904018)

GPU Variant

Cypress PRO (215-0735043)

GCN 4.0

Architecture

TeraScale 2

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

40 nm

2.2 billion

Transistors

2.154 billion

103 mm²

Die Size

334 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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