AMD Radeon HD 6870 1600SP Edition vs AMD Radeon 550

VS

AMD Radeon HD 6870 1600SP Edition AMD Radeon 550

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6870 1600SP Edition and 2GB VRAM Radeon 550 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6870 1600SP Edition 's Advantages

Larger VRAM bandwidth (134.4GB/s vs 56.00GB/s)

1088 additional rendering cores

AMD Radeon 550 's Advantages

Released 4 years and 3 months late

Boost Clock1183MHz

More VRAM (2GB vs 1GB)

Lower TDP (50W vs 175W)

Score

Benchmark

FP32 (float)

Radeon HD 6870 1600SP Edition +124%

2.72 TFLOPS

Radeon 550

1.211 TFLOPS

Radeon HD 6870 1600SP Edition

VS

Radeon 550

Graphics Card

Jan 2013

Release Date

Apr 2017

Northern Islands

Generation

Polaris

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1100 MHz

-

Boost Clock

1183 MHz

1050 MHz

Memory Clock

1750 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

64bit

134.4GB/s

Bandwidth

56.00GB/s

Render Config

-

SM Count

-

20

Compute Units

8

1600

Shading Units

512

80

TMUs

32

ROPs

16

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

256 KB

Theoretical Performance

27.20 GPixel/s

Pixel Rate

18.93 GPixel/s

68.00 GTexel/s

Texture Rate

37.86 GTexel/s

-

FP16 (half)

1211 GFLOPS

2.720 TFLOPS

FP32 (float)

1211 GFLOPS

544.0 GFLOPS

FP64 (double)

75.71 GFLOPS

Graphics Processor

Cypress

GPU Name

Lexa

Cypress XT (215-0735033)

GPU Variant

Lexa PRO (215-0904018)

TeraScale 2

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

40 nm

Process Size

14 nm

2.154 billion

Transistors

2.2 billion

334 mm²

Die Size

103 mm²

Board Design

175W

TDP

50W

450 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

2x 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

1.3

-

CUDA

-

5.0

Shader Model

6.7

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