AMD Radeon RX 550 640SP vs AMD Radeon HD 6850 1440SP Edition

VS

AMD Radeon RX 550 640SP

AMD Radeon HD 6850 1440SP Edition

We compared two Desktop platform GPUs: 2GB VRAM Radeon RX 550 640SP and 1024MB VRAM Radeon HD 6850 1440SP Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 550 640SP 's Advantages

Released 5 years and 2 months late

Boost Clock1071MHz

More VRAM (2GB vs 1024GB)

Lower TDP (60W vs 151W)

AMD Radeon HD 6850 1440SP Edition 's Advantages

Larger VRAM bandwidth (128.0GB/s vs 96.00GB/s)

800 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 550 640SP

1.371 TFLOPS

Radeon HD 6850 1440SP Edition +52%

2.088 TFLOPS

Radeon RX 550 640SP

VS

Radeon HD 6850 1440SP Edition

Graphics Card

Oct 2017

Release Date

Aug 2012

Polaris

Generation

Northern Islands

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

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

96.00GB/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)

1024 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

60W

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

Baffin

GPU Name

Cypress

Baffin LE

GPU Variant

Cypress PRO (215-0735043)

GCN 4.0

Architecture

TeraScale 2

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

40 nm

3 billion

Transistors

2.154 billion

123 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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