AMD Radeon HD 6850 vs AMD Radeon 550X

VS

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6850 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 6850 's Advantages

Larger VRAM bandwidth (128.0GB/s vs 112.0GB/s)

448 additional rendering cores

AMD Radeon 550X 's Advantages

Released 8 years and 5 months late

Boost Clock1218MHz

More VRAM (2GB vs 1GB)

Lower TDP (50W vs 127W)

Score

Benchmark

FP32 (float)

Radeon HD 6850 +19%

1.488 TFLOPS

Radeon 550X

1.247 TFLOPS

Radeon HD 6850

VS

Radeon 550X

Graphics Card

Oct 2010

Release Date

Mar 2019

Northern Islands

Generation

Polaris

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1082 MHz

-

Boost Clock

1218 MHz

1000 MHz

Memory Clock

1750 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

128.0GB/s

Bandwidth

112.0GB/s

Render Config

-

SM Count

-

12

Compute Units

8

960

Shading Units

512

48

TMUs

32

ROPs

16

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

512 KB

Theoretical Performance

24.80 GPixel/s

Pixel Rate

19.49 GPixel/s

37.20 GTexel/s

Texture Rate

38.98 GTexel/s

-

FP16 (half)

1247 GFLOPS

1488 GFLOPS

FP32 (float)

1247 GFLOPS

-

FP64 (double)

77.95 GFLOPS

Graphics Processor

Barts

GPU Name

Lexa

Barts PRO (215-0798006)

GPU Variant

Lexa PRO (215-0904018)

TeraScale 2

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

40 nm

Process Size

14 nm

1.7 billion

Transistors

2.2 billion

255 mm²

Die Size

103 mm²

Board Design

127W

TDP

50W

300 W

Suggested PSU

250 W

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

Outputs

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

1x 6-pin

Power Connectors

None

Graphics Features

11.2 (11_0)

DirectX

12 (12_0)

4.4

OpenGL

4.6

1.2

OpenCL

2.1

N/A

Vulkan

1.2

-

CUDA

-

5.0

Shader Model

6.4

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