ATI Radeon HD 5550 vs NVIDIA GeForce GT 620

VS

ATI Radeon HD 5550

NVIDIA GeForce GT 620

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 5550 and 1024MB VRAM GeForce GT 620 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 5550 's Advantages

Larger VRAM bandwidth (51.20GB/s vs 14.40GB/s)

224 additional rendering cores

Lower TDP (39W vs 49W)

NVIDIA GeForce GT 620 's Advantages

Released 2 years and 3 months late

More VRAM (1024GB vs 512GB)

Score

Benchmark

FP32 (float)

Radeon HD 5550 +30%

0.352 TFLOPS

GeForce GT 620

0.269 TFLOPS

Radeon HD 5550

VS

GeForce GT 620

Graphics Card

Feb 2010

Release Date

May 2012

Evergreen

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

800 MHz

Memory Clock

900 MHz

Memory

512MB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

64bit

51.20GB/s

Bandwidth

14.40GB/s

Render Config

4

Compute Units

-

SM Count

2

320

Shading Units

96

16

TMUs

16

8

ROPs

4

-

8 KB (per CU)

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

4.400 GPixel/s

Pixel Rate

2.800 GPixel/s

8.800 GTexel/s

Texture Rate

11.20 GTexel/s

-

352.0 GFLOPS

FP32 (float)

268.8 GFLOPS

-

FP64 (double)

22.40 GFLOPS

Board Design

39W

TDP

49W

200 W

Suggested PSU

200 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

None

Power Connectors

None

Graphics Processor

Redwood

GPU Name

GF108

Redwood PRO2

GPU Variant

GF108-100-KB-A1

TeraScale 2

Architecture

Fermi

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.627 billion

Transistors

0.585 billion

104 mm²

Die Size

116 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_0)

4.4

OpenGL

4.6

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

2.1

5.0

Shader Model

5.1

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