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Gaming Performance Comparison

Recommended System Requirements
Game GeForce 8600 GT Inno3D 256MB GDDR2 GeForce GT 620
Halo: Reach 386% 423%
Cyberpunk 2077 2000% 2162%
Red Dead Redemption 2 1429% 1546%
Dragon Ball Z Kakarot 843% 915%
Call of Duty: Modern Warfare 1429% 1546%
Doom Eternal 1214% 1315%
Microsoft Flight Simulator 2000% 2162%
Grand Theft Auto VI 2236% 2415%
FIFA 20 714% 777%
Need For Speed Heat 1429% 1546%

In terms of overall gaming performance, the graphical capabilities of the Nvidia GeForce 8600 GT Inno3D 256MB GDDR2 are very slightly better than the Nvidia GeForce GT 620.

The GeForce GT 620 has a 160 MHz higher core clock speed and the same number of Texture Mapping Units as the 8600 GT. This results in the GeForce GT 620 providing 2.6 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 160 MHz higher core clock speed than the 8600 GT, but the 8600 GT has 4 more Render Output Units than the GeForce GT 620. As a result, the 8600 GT exhibits a 1.5 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 three years more recently than the 8600 GT, and so the GeForce GT 620 is likely to have far better driver support, meaning it will be much more optimized and ultimately superior to the 8600 GT when running the latest games.

The GeForce GT 620 has 768 MB more video memory than the 8600 GT, so is likely to be much better at displaying game textures at higher resolutions. This is supported by the fact that the GeForce GT 620 also has superior memory performance overall.

The GeForce GT 620 has 1.6 GB/sec greater memory bandwidth than the 8600 GT, which means that the memory performance of the GeForce GT 620 is marginally better than the 8600 GT.

The GeForce 8600 GT Inno3D 256MB GDDR2 has 32 Shader Processing Units and the GeForce GT 620 has 96. However, the actual shader performance of the 8600 GT is 43 and the actual shader performance of the GeForce GT 620 is 134. The GeForce GT 620 having 91 better shader performance and an altogether better performance when taking into account other relevant data means that the GeForce GT 620 delivers a marginally smoother and more efficient experience when processing graphical data than the 8600 GT.

The GeForce GT 620 transistor size technology is 40 nm (nanometers) smaller than the 8600 GT. This means that the GeForce GT 620 is expected to run much cooler and achieve higher clock frequencies than the 8600 GT. While they exhibit similar graphical performance, the GeForce GT 620 should consume less power than the 8600 GT.

The GeForce GT 620 requires 49 Watts to run but there is no entry for the 8600 GT. We would recommend a PSU with at least 300 Watts for the GeForce GT 620, but we do not have a recommended PSU wattage for the 8600 GT.

Game FPS Benchmarks On Ultra

GPU Architecture

Core Speed540 MHzvs700 MHz
Boost Clock-vs-
ArchitectureTesla G84Fermi GF108-100-KB-A1
OC Potential Fair vs Fair
Driver Support Poor vs Poor
Release Date01 Jun 2007vs15 May 2012
GPU LinkGD LinkGD Link
Approved
Comparison

Resolution Performance

1366x768 - vs green tick
4.1
1600x900
3.1
green tick vs
2.8
1920x1080
2.2
green tick vs
2.1
2560x1440
1.4
vs green tick
1.5
3840x2160
0.9
green tick vs -

GPU Memory

Memory256 MBvs1024 MB
Memory Speed400 MHzvs900 MHz
Memory Bus128 Bitvs64 Bit
Memory TypeGDDR3vsDDR3
Memory Bandwidth12.8GB/secvs14.4GB/sec
L2 Cache 0 KB 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 Units32vs96
Actual Shader Performance2%vs6%
Technology80nmvs40nm
Texture Mapping Units16vs16
Texture Rate8.6 GTexel/svs11.2 GTexel/s
Render Output Units8vs4
Pixel Rate4.3 GPixel/svs2.8 GPixel/s
Comparison

GPU Outputs

Max Digital Resolution (WxH)2560x1600vs2560x1600
VGA Connections0vs1
DVI Connections1vs1
HDMI Connections0vs1
DisplayPort Connections-vs-
Comparison

GPU Power Requirements

Max Power-49 Watts
Recommended PSU-300 Watts & 22 Amps

GPU Features

DirectX10.0vs12.0
Shader Model4.0vs5.0
Open GL3.3vs4.5
Open CL-vs-
Notebook GPUnono
SLI/Crossfireyesvsno
Dedicatedyesvsyes
Comparison

GPU Supporting Hardware

Recommended ProcessorIntel Core 2 Duo E6600 2.4GHzvsIntel Celeron G550 2.6GHz
Recommended RAM3 GBvs4 GB
Maximum Recommended Gaming Resolution1024x768vs1366x768

Gaming Performance Value

Performance Value

GPU Mini Review

Mini ReviewGeForce 8600 GT Inno3D 256MB GDDR2 is a special edition of the GeForce 8600 GT. See the standard page for more information about it.
There are no new features and since this version is equipped with GDDR2 and the standard version we have added features standard DDR3, the performance is worse than it.
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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