Select any two GPUs for comparison
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Gaming Performance Comparison

Recommended System Requirements
Game GeForce GT 520 v4 GeForce GT 620
Halo: Reach 467% 423%
Cyberpunk 2077 2350% 2162%
Red Dead Redemption 2 1683% 1546%
Dragon Ball Z Kakarot 1000% 915%
Call of Duty: Modern Warfare 1683% 1546%
Doom Eternal 1433% 1315%
Microsoft Flight Simulator 2350% 2162%
Grand Theft Auto VI 2625% 2415%
FIFA 20 850% 777%
Need For Speed Heat 1683% 1546%

In terms of overall gaming performance, the graphical capabilities of the Nvidia GeForce GT 620 are very slightly better than the Nvidia GeForce GT 520 v4.

The GeForce GT 620 has a 102 MHz higher core clock speed and the same number of Texture Mapping Units as the GT 520. This results in the GeForce GT 620 providing 1.6 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 102 MHz higher core clock speed than the GT 520 and the same number of Render Output Units. This results in the GeForce GT 620 providing 0.4 GPixel/s better pixeling performance. However, both GPUs support DirectX 9 or above, and pixeling performance is only really relevant when comparing older cards.

The GT 520 was released less than a year after the GeForce GT 620, and so they are likely to have similar driver support for optimizing performance when running the latest games.

The GeForce GT 520 v4 and the GeForce GT 620 have the same amount of video memory, but are likely to provide slightly different experiences when displaying game textures at high resolutions.

The GeForce GT 620 has 6.4 GB/sec greater memory bandwidth than the GT 520, which means that the memory performance of the GeForce GT 620 is marginally better than the GT 520.

Both the GeForce GT 520 v4 and the GeForce GT 620 have 96 Shader Processing Units. While the two GPUs have the same number of SPUs, the actual performance delivered by the GeForce GT 620 is 134 and by the GT 520 is 134. Knowing that the shader performance of the GeForce GT 620 is superior, it is not necessary to examine the GPUs' respective Texture and Pixel Fill Rates.

The GeForce GT 520 v4 requires 29 Watts to run and the GeForce GT 620 requires 49 Watts. We would recommend a PSU with at least 300 Watts for the GT 520 and a PSU with at least 300 Watts for the GeForce GT 620. The GeForce GT 620 requires 20 Watts more than the GT 520 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 GT 520.

Game FPS Benchmarks On Ultra

GPU Architecture

Core Speed598 MHzvs700 MHz
Boost Clock-vs-
ArchitectureFermi GF119-300-A1Fermi GF108-100-KB-A1
OC Potential Good vs Fair
Driver Support Poor vs Poor
Release Date20 Aug 2012vs15 May 2012
GPU LinkGD LinkGD Link
Approved
Comparison

Resolution Performance

1366x768
3.8
vs green tick
4.1
1600x900
2.7
vs green tick
2.8
1920x1080
2.1
green tick vs green tick
2.1
2560x1440
1.4
vs green tick
1.5
3840x2160 - green tick vs green tick -

GPU Memory

Memory1024 MBvs1024 MB
Memory Speed500 MHzvs900 MHz
Memory Bus64 Bitvs64 Bit
Memory TypeDDR3vsDDR3
Memory Bandwidth8GB/secvs14.4GB/sec
L2 Cache 128 KB green tick vs green tick 128 KB
Delta Color Compression no vs no
Memory Performance 0% green tick vs green tick 0%
Comparison

GPU Display

Shader Processing Units96vs96
Actual Shader Performance6%vs6%
Technology40nmvs40nm
Texture Mapping Units16vs16
Texture Rate9.6 GTexel/svs11.2 GTexel/s
Render Output Units4vs4
Pixel Rate2.4 GPixel/svs2.8 GPixel/s
Comparison

GPU Outputs

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

GPU Power Requirements

Max Power29 Wattsvs49 Watts
Recommended PSU300 Watts & 22 Ampsvs300 Watts & 22 Amps

GPU Features

DirectX12.0vs12.0
Shader Model5.0vs5.0
Open GL4.5vs4.5
Open CL-vs-
Notebook GPUnono
SLI/Crossfirenovsno
Dedicatedyesvsyes
Comparison

GPU Supporting Hardware

Recommended ProcessorIntel Celeron G530 2.4GHzvsIntel Celeron G550 2.6GHz
Recommended RAM4 GBvs4 GB
Maximum Recommended Gaming Resolution1366x768vs1366x768

Gaming Performance Value

Performance Value

GPU Mini Review

Mini ReviewOverview
GeForce GT 520 v4 is an OEM only, 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 GF119-300-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 589MHz.

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 29W, 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 on average with Radeon HD 6450.

System Suggestions
We recommend a modest processor (Intel Celeron) and 4GB of RAM for a system with GeForce GT 520 v4.
Overview
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.
Recommended CPU
Possible GPU Upgrades
GPU Variants
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