AMD Radeon RX 550X vs AMD Radeon HD 6850

VS

We compared two Desktop platform GPUs: 4GB VRAM Radeon RX 550X and 1024MB VRAM Radeon HD 6850 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 550X 's Advantages

Released 8 years and 2 months late

Boost Clock1183MHz

More VRAM (4GB vs 1GB)

Lower TDP (50W vs 127W)

AMD Radeon HD 6850 's Advantages

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

448 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 550X

1.211 TFLOPS

Radeon HD 6850 +22%

1.488 TFLOPS

Radeon RX 550X

VS

Radeon HD 6850

Graphics Card

Dec 2018

Release Date

Oct 2010

Polaris

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

1100 MHz

Base Clock

-

1183 MHz

Boost Clock

-

1500 MHz

Memory Clock

1000 MHz

Memory

4GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

96.00GB/s

Bandwidth

128.0GB/s

Render Config

-

SM Count

-

8

Compute Units

12

512

Shading Units

960

32

TMUs

48

16

ROPs

32

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

512 KB

Theoretical Performance

18.93 GPixel/s

Pixel Rate

24.80 GPixel/s

37.86 GTexel/s

Texture Rate

37.20 GTexel/s

1211 GFLOPS

FP16 (half)

-

1211 GFLOPS

FP32 (float)

1488 GFLOPS

75.71 GFLOPS

FP64 (double)

-

Graphics Processor

Lexa

GPU Name

Barts

Lexa PRO (215-0904018)

GPU Variant

Barts PRO (215-0798006)

GCN 4.0

Architecture

TeraScale 2

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

40 nm

2.2 billion

Transistors

1.7 billion

103 mm²

Die Size

255 mm²

Board Design

50W

TDP

127W

250 W

Suggested PSU

300 W

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

Outputs

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

None

Power Connectors

1x 6-pin

Graphics Features

12 (12_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1

OpenCL

1.2

Vulkan

N/A

-

CUDA

-

6.4

Shader Model

5.0

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