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Gaming Performance Comparison

Recommended System Requirements
Game GeForce RTX 2080 Ti SLI GeForce GT 620 PNY PCIe 1GB Edition

In terms of overall gaming performance, the graphical capabilities of the Nvidia GeForce RTX 2080 Ti SLI are massively better than the Nvidia GeForce GT 620 PNY PCIe 1GB Edition.

The RTX 2080 Ti has a 650 MHz higher core clock speed and 256 more Texture Mapping Units than the GT 620. This results in the RTX 2080 Ti providing 356 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 RTX 2080 Ti has a 650 MHz higher core clock speed and 84 more Render Output Units than the GT 620. This results in the RTX 2080 Ti providing 116 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 RTX 2080 Ti was released over three years more recently than the GT 620, and so the RTX 2080 Ti is likely to have far better driver support, meaning it will be much more optimized and ultimately superior to the GT 620 when running the latest games.

The RTX 2080 Ti has 10240 MB more video memory than the GT 620, so is likely to be much better at displaying game textures at higher resolutions. This is supported by the fact that the RTX 2080 Ti also has superior memory performance overall.

The RTX 2080 Ti has 607.4 GB/sec greater memory bandwidth than the GT 620, which means that the memory performance of the RTX 2080 Ti is massively better than the GT 620.

The GeForce RTX 2080 Ti SLI has 4352 Shader Processing Units and the GeForce GT 620 PNY PCIe 1GB Edition has 96. However, the actual shader performance of the RTX 2080 Ti is 7116 and the actual shader performance of the GT 620 is 134. The RTX 2080 Ti having 6982 better shader performance and an altogether better performance when taking into account other relevant data means that the RTX 2080 Ti delivers a massively smoother and more efficient experience when processing graphical data than the GT 620.

The RTX 2080 Ti transistor size technology is 28 nm (nanometers) smaller than the GT 620. This means that the RTX 2080 Ti is expected to run slightly cooler and achieve higher clock frequencies than the GT 620.

The GeForce RTX 2080 Ti SLI requires 260 Watts to run and the GeForce GT 620 PNY PCIe 1GB Edition requires 30 Watts. We would recommend a PSU with at least 650 Watts for the RTX 2080 Ti and a PSU with at least 300 Watts for the GT 620. The RTX 2080 Ti requires 230 Watts more than the GT 620 to run. The difference is significant enough that the RTX 2080 Ti may have an adverse affect on your yearly electricity bills in comparison to the GT 620.

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GPU Architecture

Core Speed1350 MHzvs700 MHz
Boost Clock1635 MHzvs-
ArchitectureTuring TU102-300A-K1-A1Fermi GF108-100-KB-A1
OC Potential - vs Fair
Driver Support - vs Poor
Release Date20 Sep 2018vs01 May 2012
GPU LinkGD LinkGD Link
Approved
Comparison

Resolution Performance

1366x768
10
green tick vs -
1600x900
10
green tick vs
2.8
1920x1080
10
green tick vs
2.1
2560x1440
10
green tick vs
1.5
3840x2160
10
green tick vs -

GPU Memory

Memory11264 MBvs1024 MB
Memory Speed1750 MHzvs535 MHz
Memory Bus352 Bitvs64 Bit
Memory TypeGDDR6vsDDR3
Memory Bandwidth616GB/secvs8.6GB/sec
L2 Cache 6144 KB green tick vs 128 KB
Delta Color Compression no vs no
Memory Performance 0% green tick vs green tick 0%
Comparison

GPU Display

Shader Processing Units4352vs96
Actual Shader Performance100%vs6%
Technology12nmvs40nm
Texture Mapping Units272vs16
Texture Rate367.2 GTexel/svs11.2 GTexel/s
Render Output Units88vs4
Pixel Rate118.8 GPixel/svs2.8 GPixel/s
Comparison

GPU Outputs

Max Digital Resolution (WxH)7680x4320vs2560x1600
VGA Connections0vs1
DVI Connections0vs1
HDMI Connections1vs1
DisplayPort Connections3vs-
Comparison

GPU Power Requirements

Max Power260 Wattsvs30 Watts
Recommended PSU650 Wattsvs300 Watts & 22 Amps

GPU Features

DirectX12.1vs12.0
Shader Model-vs5.0
Open GL-vs4.5
Open CL-vs-
Notebook GPUnono
SLI/Crossfirenovsno
Dedicatedyesvsyes
Comparison

GPU Supporting Hardware

Recommended ProcessorIntel Core i7-8700K 6-Core 3.7GHzvsIntel Celeron G550 2.6GHz
Recommended RAM16 GBvs4 GB
Maximum Recommended Gaming Resolution3840x2160vs1366x768

Gaming Performance Value

Performance Value

GPU Mini Review

Mini ReviewOverview GeForce RTX 2080 Ti is the top RTX 20 Series graphics card and considered an Enthusiast graphics card based on the Turing architecture. Architecture The Turing architecture represents a process shrink down to 12nm compared to 14nm Pascal. The Turing architecture provides the world's first consumer support for real-time ray-tracing technology, or RTX. GPU It equips a GPU Codenamed TU102 which has 4352 Shader Processing Units, 272 TMUs and 88 ROPs. The central unit runs at 1350MHz and goes up to 1545MHz in Boost mode. It also has 544 Tensor Cores for AI purposes. Memory The GPU accesses an 11GB frame buffer of first-gen GDDR6 memory through a 352-bit memory interface, while the Memory clock operates at 1750MHz, or 14GHz effective. Power Consumption With a rated board TDP of 285W, it requires at least a 650W PSU with two 8-pin power connectors. System Suggestions GeForce RTX 2080 Ti is best suited for resolutions up to and including 3840x2160. We recommend a top-End Processor and at least 16GB of RAM for optimal performance.Overview
GeForce GT 620 PNY PCIe 1GB Edition is a special edition of NVIDIA's Entry-Level GeForce GT 620, created by PNY.

Overclock: Central Unit
The Central Unit runs at the same speed.

Overclock: Memory Clock
The Operating Memory Clock runs at 535MHz while the Frame Buffer remains the same: 1GB. This is a gimmick and in no way benefits the GPU.

Cooling Solution
The Cooling System remains the same.

Performance
Without Overclocking Out of The Box, GeForce GT 620 PNY PCIe 1GB Edition is as fast as the reference GeForce GT 620.
Recommended CPU-AMD Athlon 64 FX-60 Dual Core
Intel Pentium Dual Core E6800 3.33GHz
Intel Core 2 Duo E4500 2.2GHz
AMD Athlon II X2 280
AMD Athlon 64 X2 Dual Core 5000+
Possible GPU Upgrades-Radeon R7 260X v2 MSI OC v2 2GB Edition
Radeon HD 6870 XFX DD XXX Edition
Radeon HD 6870 XFX Black Edition
GeForce GTX 560 Club3D CoolStream Super OC 1GB Edition
GeForce GTX 560 EVGA DS SSC 1GB Edition
GPU Variants--

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