AMD Radeon HD 7790 vs ATI Radeon HD 5550

VS

AMD Radeon HD 7790

ATI Radeon HD 5550

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 7790 and 512MB VRAM Radeon HD 5550 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7790 's Advantages

Released 3 years and 1 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (96.00GB/s vs 51.20GB/s)

576 additional rendering cores

ATI Radeon HD 5550 's Advantages

Lower TDP (39W vs 85W)

Score

Benchmark

FP32 (float)

Radeon HD 7790 +409%

1.792 TFLOPS

Radeon HD 5550

0.352 TFLOPS

Radeon HD 7790

VS

Radeon HD 5550

Graphics Card

Mar 2013

Release Date

Feb 2010

Southern Islands

Generation

Evergreen

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1500 MHz

Memory Clock

800 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

96.00GB/s

Bandwidth

51.20GB/s

Render Config

14

Compute Units

4

-

896

Shading Units

320

56

TMUs

16

ROPs

8

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

16.00 GPixel/s

Pixel Rate

4.400 GPixel/s

56.00 GTexel/s

Texture Rate

8.800 GTexel/s

-

1.792 TFLOPS

FP32 (float)

352.0 GFLOPS

112.0 GFLOPS

FP64 (double)

-

Board Design

85W

TDP

39W

250 W

Suggested PSU

200 W

1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

1x 6-pin

Power Connectors

None

Graphics Processor

Bonaire

GPU Name

Redwood

Bonaire XT (215-0839039)

GPU Variant

Redwood PRO2

GCN 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

2.08 billion

Transistors

0.627 billion

160 mm²

Die Size

104 mm²

Graphics Features

12 (12_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.0

OpenCL

1.2

Vulkan

N/A

-

6.3

Shader Model

5.0

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