Select any two GPUs for comparison
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Gaming Performance Comparison

Recommended System Requirements
Game Radeon HD 7470 GeForce GT 620
Red Dead Redemption 2 1683% 1546%
Cyberpunk 2077 2350% 2162%
Dragon Ball Z Kakarot 1000% 915%
Microsoft Flight Simulator 2350% 2162%
Call of Duty: Modern Warfare 1683% 1546%
Doom Eternal 1433% 1315%
FIFA 20 850% 777%
Grand Theft Auto VI 2625% 2415%
Need For Speed Heat 1683% 1546%
Halo: Reach 467% 423%

In terms of overall gaming performance, the graphical capabilities of the Nvidia GeForce GT 620 are very slightly better than the AMD Radeon HD 7470.

The Radeon HD 7470 has a 50 MHz higher core clock speed than the GeForce GT 620, but the GeForce GT 620 has 8 more Texture Mapping Units than the Radeon HD 7470. As a result, the GeForce GT 620 exhibits a 5.2 GTexel/s better Texture Fill Rate than the Radeon HD 7470. This still holds weight but shader performance is generally more relevant, particularly since both of these GPUs support at least DirectX 10.

The Radeon HD 7470 has a 50 MHz higher core clock speed than the GeForce GT 620 and the same number of Render Output Units. This results in the Radeon HD 7470 providing 0.2 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 GeForce GT 620 was released less than a year after the Radeon HD 7470, and so they are likely to have similar driver support for optimizing performance when running the latest games.

The GeForce GT 620 has 512 MB more video memory than the Radeon HD 7470, so is likely to be much better at displaying game textures at higher resolutions. However, overall, the Radeon HD 7470 has superior memory performance.

The Radeon HD 7470 has 14.4 GB/sec greater memory bandwidth than the GeForce GT 620, which means that the memory performance of the Radeon HD 7470 is slightly better than the GeForce GT 620.

The Radeon HD 7470 has 160 Shader Processing Units and the GeForce GT 620 has 96. However, the actual shader performance of the Radeon HD 7470 is 60 and the actual shader performance of the GeForce GT 620 is 134. The GeForce GT 620 having 74 better shader performance is not particularly notable, as altogether the Radeon HD 7470 performs better when taking into account other relevant data.

The Radeon HD 7470 requires 18 Watts to run and the GeForce GT 620 requires 49 Watts. We would recommend a PSU with at least 300 Watts for the Radeon HD 7470 and a PSU with at least 300 Watts for the GeForce GT 620. The GeForce GT 620 requires 31 Watts more than the Radeon HD 7470 to run. The difference is significant enough that the GeForce GT 620 may have a slight adverse affect on your yearly electricity bills in comparison to the Radeon HD 7470.

Game FPS Benchmarks On Ultra

GPU Architecture

Core Speed750 MHzvs700 MHz
Boost Clock-vs-
ArchitectureTerascale 2 Caicos XTFermi GF108-100-KB-A1
OC Potential Poor vs Fair
Driver Support Poor vs Poor
Release Date05 Jan 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

Memory512 MBvs1024 MB
Memory Speed900 MHzvs900 MHz
Memory Bus64 Bitvs64 Bit
Memory TypeGDDR5vsDDR3
Memory Bandwidth28.8GB/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 Units160vs96
Actual Shader Performance3%vs6%
Technology40nmvs40nm
Texture Mapping Units8vs16
Texture Rate6 GTexel/svs11.2 GTexel/s
Render Output Units4vs4
Pixel Rate3 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 Power18 Wattsvs49 Watts
Recommended PSU300 Watts & 22 Ampsvs300 Watts & 22 Amps

GPU Features

DirectX11.0vs12.0
Shader Model5.0vs5.0
Open GL4.3vs4.5
Open CL-vs-
Notebook GPUnono
SLI/Crossfirenovsno
Dedicatedyesvsyes
Comparison

GPU Supporting Hardware

Recommended ProcessorIntel Celeron G440 1.6GHzvsIntel Celeron G550 2.6GHz
Recommended RAM4 GBvs4 GB
Maximum Recommended Gaming Resolution1366x768vs1366x768

Gaming Performance Value

Performance Value

GPU Mini Review

Mini ReviewOverview
Radeon HD 7470 is an entry-level Graphics Card based on the second revision of the Terascale Architecture.

Architecture
The Second variant of the Terascale 2 Architecture is still manufactured with a 40nm technology and despite allowing more Stream Cores, their design remains more or less the same compared to the first variant.

GPU
It equips a GPU codenamed Caicos XT which has 2 Compute Units activated and thus offers 160 Shader Processing Units, 8 TMUs and 4 ROPs. The Central Unit Operates at 750MHz.

Memory
The GPU accesses a 512MB frame buffer of fast GDDR5, through a 64-bit memory interface. The memory clock operates at 900MHz. The size of the frame buffer is adequate.

Features
DirectX 11.0 Support (11.0 Hardware Default) and support for HD3D, Eyefinity, App Acceleration, PowerPlay and other technologies.

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

Power Consumption
With a rated board TDP of 18W, it requires at least a 300W PSU and it relies entirely on the PCI Slot for power, meaning no extra connectors are required.

Performance
Radeon HD 7470 is a direct re-brand of Radeon HD 6450 v2.
Gaming benchmarks put its performance somewhat above of a GeForce GT 520.

System Suggestions
We recommend a modest processor (Intel Celeron) and 4GB of RAM for a system with Radeon HD 7470.
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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