Select any two GPUs for comparison
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Gaming Performance Comparison

Recommended System Requirements
Game GeForce GT 620 Radeon HD 5550 1024MB
Red Dead Redemption 2 1546% 1049%
Cyberpunk 2077 2162% 1479%
Dragon Ball Z Kakarot 915% 609%
Microsoft Flight Simulator 2162% 1479%
Call of Duty: Modern Warfare 1546% 1049%
Doom Eternal 1315% 888%
FIFA 20 777% 512%
Grand Theft Auto VI 2415% 1656%
Need For Speed Heat 1546% 1049%
Halo: Reach 423% 265%

In terms of overall gaming performance, the graphical capabilities of the AMD Radeon HD 5550 1024MB are significantly better than the Nvidia GeForce GT 620.

The GeForce GT 620 has a 150 MHz higher core clock speed and the same number of Texture Mapping Units as the HD 5550. This results in the GeForce GT 620 providing 2.4 GTexel/s better texturing performance. This still holds weight but shader performance is generally more relevant, particularly since both of these GPUs support at least DirectX 10.

The GeForce GT 620 has a 150 MHz higher core clock speed than the HD 5550, but the HD 5550 has 4 more Render Output Units than the GeForce GT 620. As a result, the HD 5550 exhibits a 1.6 GPixel/s better Pixel Fill Rate than the GeForce GT 620. However, both GPUs support DirectX 9 or above, and pixeling performance is only really relevant when comparing older cards.

The GeForce GT 620 was released over a year more recently than the HD 5550, and so the GeForce GT 620 is likely to have better driver support, meaning it will be more optimized for running the latest games when compared to the HD 5550.

The GeForce GT 620 and the Radeon HD 5550 1024MB have the same amount of video memory, but are likely to provide slightly different experiences when displaying game textures at high resolutions.

The HD 5550 has 49.6 GB/sec greater memory bandwidth than the GeForce GT 620, which means that the memory performance of the HD 5550 is noticeably better than the GeForce GT 620.

The GeForce GT 620 has 96 Shader Processing Units and the Radeon HD 5550 1024MB has 320. However, the actual shader performance of the GeForce GT 620 is 134 and the actual shader performance of the HD 5550 is 114. The GeForce GT 620 having 20 better shader performance is not particularly notable, as altogether the HD 5550 performs better when taking into account other relevant data.

The GeForce GT 620 requires 49 Watts to run and the Radeon HD 5550 1024MB requires 39 Watts. We would recommend a PSU with at least 300 Watts for the GeForce GT 620 and a PSU with at least 400 Watts for the HD 5550. The GeForce GT 620 requires 10 Watts more than the HD 5550 to run. The difference is not significant enough for the GeForce GT 620 to have a noticeably larger impact on your yearly electricity bills than the HD 5550.

Game FPS Benchmarks On Ultra

GPU Architecture

Core Speed700 MHzvs550 MHz
Boost Clock-vs-
ArchitectureFermi GF108-100-KB-A1Evergreen Redwood LE
OC Potential Fair vs Fair
Driver Support Poor vs -
Release Date15 May 2012vs09 Feb 2010
GPU LinkGD LinkGD Link
Approved
Comparison

Resolution Performance

1366x768
4.1
green tick vs -
1600x900
2.8
green tick vs -
1920x1080
2.1
green tick vs -
2560x1440
1.5
green tick vs -
3840x2160 - green tick vs green tick -

GPU Memory

Memory1024 MBvs1024 MB
Memory Speed900 MHzvs1000 MHz
Memory Bus64 Bitvs128 Bit
Memory TypeDDR3vsGDDR5
Memory Bandwidth14.4GB/secvs64GB/sec
L2 Cache 128 KB green tick vs -
Delta Color Compression no vs no
Memory Performance 0% green tick vs green tick 0%
Comparison

GPU Display

Shader Processing Units96vs320
Actual Shader Performance6%vs5%
Technology40nmvs40nm
Texture Mapping Units16vs16
Texture Rate11.2 GTexel/svs8.8 GTexel/s
Render Output Units4vs8
Pixel Rate2.8 GPixel/svs4.4 GPixel/s
Comparison

GPU Outputs

Max Digital Resolution (WxH)2560x1600vs2560x1600
VGA Connections1vs1
DVI Connections1vs1
HDMI Connections1vs1
DisplayPort Connections-vs-
Comparison

GPU Power Requirements

Max Power49 Wattsvs39 Watts
Recommended PSU300 Watts & 22 Ampsvs400 Watts & 24 Amps

GPU Features

DirectX12.0vs11
Shader Model5.0vs5.0
Open GL4.5vs3.2
Open CL-vs-
Notebook GPUnono
SLI/Crossfirenovsyes
Dedicatedyesvsyes
Comparison

GPU Supporting Hardware

Recommended ProcessorIntel Celeron G550 2.6GHzvsIntel Pentium Dual Core E5500 2.8GHz
Recommended RAM4 GBvs4 GB
Maximum Recommended Gaming Resolution1366x768vs1366x768

Gaming Performance Value

Performance Value

GPU Mini Review

Mini ReviewOverview
GeForce GT 620 is an Entry-Level Graphics Card based on the first revision of the Fermi Architecture.

Architecture
The Fermi Architecture is manufactured with a 40nm technology and uses a technique known as Hot Clocking: The Shaders are clocked twice as fast as the Central Unit. While this leads to a reasonable performance boost, it causes enormous amounts of energy dissipation, leading, ultimately, to a significantly higher operating temperature.
Fermi is also the first GPU architecture with fully cached memory access which increases memory performance.

GPU
It equips a GPU codenamed Fermi GF108-100-KB-A1 which has 2 Stream Multiprocessors activated and thus offers 96 Shader Processing Units, 16 TMUs and 4 ROPs. The Central Unit is clocked at 700MHz.

Memory
The GPU accesses a 1GB frame buffer of DDR3, through a 128-bit memory interface. The size of the frame buffer is exaggerated and in no way benefits the GPU. The Memory Clock Operates at 500MHz.

Features
DirectX 11.0 Support (11.0 Hardware Default) and support for 3D Vision Surround, PhysX, Realtime Raytracing and other technologies.

Cooling Solution
The Cooling Solution consists of a Single-Fan.

Power Consumption
With a rated board TDP of 49W, it requires at least a 300W PSU and it relies entirely on the PCI Slot for power, meaning no extra connectors are required.

Performance
Gaming benchmarks put its performance is somewhat better than Radeon HD 7470.

System Suggestions
We recommend a modest processor (Intel Celeron) and 4GB of RAM for a system with GeForce GT 620.
The Evergreen series is a family of GPUs developed by AMD graphics products division. The existence was spotted on a presentation slide from AMD Technology Analyst Day July 2007 as 'R8xx'. ATI held a press event in the USS Hornet museum on September 10, 2009 and announced ATI Eyefinity multi-display technology and specifications of the Radeon HD 5800 series' variants. The first variants of the Radeon HD 5800 series were launched September 23, 2009, with the HD 5700 series launching October 12 and HD 5970 launching on November 18 The HD 5670, was launched on January 14, 2010, and the HD 5500 and 5400 series were launched in February of 2010, completing what has appeared to be most of ATI's Evergreen GPU lineup.
Demand so greatly outweighed supply that more than two months after launch, many online retailers were still having trouble keeping the 5800 and 5900 series in stock.
Recommended CPU
Possible GPU Upgrades
GPU Variants

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