AMD Radeon RX 550 vs AMD Radeon HD 6790

VS

AMD Radeon RX 550

AMD Radeon HD 6790

We compared two Desktop platform GPUs: 2GB VRAM Radeon RX 550 and 1024MB VRAM Radeon HD 6790 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 550 's Advantages

Released 6 years late

Boost Clock1183MHz

More VRAM (2GB vs 1024GB)

Lower TDP (50W vs 150W)

AMD Radeon HD 6790 's Advantages

Larger VRAM bandwidth (134.4GB/s vs 112.0GB/s)

288 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 550

1.211 TFLOPS

Radeon HD 6790 +10%

1.344 TFLOPS

Radeon RX 550

VS

Radeon HD 6790

Graphics Card

Apr 2017

Release Date

Apr 2011

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

-

1750 MHz

Memory Clock

1050 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

112.0GB/s

Bandwidth

134.4GB/s

Render Config

8

Compute Units

10

-

512

Shading Units

800

32

TMUs

40

16

ROPs

16

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

18.93 GPixel/s

Pixel Rate

13.44 GPixel/s

37.86 GTexel/s

Texture Rate

33.60 GTexel/s

1211 GFLOPS

FP16 (half)

-

1211 GFLOPS

FP32 (float)

1344 GFLOPS

75.71 GFLOPS

FP64 (double)

-

Board Design

50W

TDP

150W

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

Barts

Lexa PRO (215-0904018)

GPU Variant

Barts LE (215-0798002)

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

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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