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Gaming Performance Comparison

Recommended System Requirements
Game GeForce GTX 650 Ti Boost Edition Radeon HD 7870

In terms of overall gaming performance, the graphical capabilities of the AMD Radeon HD 7870 are noticeably better than the Nvidia GeForce GTX 650 Ti Boost Edition.

The Radeon HD 7870 has a 20 MHz higher core clock speed and 16 more Texture Mapping Units than the GTX 650 Ti. This results in the Radeon HD 7870 providing 17.3 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 Radeon HD 7870 has a 20 MHz higher core clock speed and 8 more Render Output Units than the GTX 650 Ti. This results in the Radeon HD 7870 providing 8.5 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 GTX 650 Ti was released over a year more recently than the Radeon HD 7870, and so the GTX 650 Ti is likely to have better driver support, meaning it will be more optimized for running the latest games when compared to the Radeon HD 7870.

The GeForce GTX 650 Ti Boost Edition and the Radeon HD 7870 have the same amount of video memory, but are likely to provide slightly different experiences when displaying game textures at high resolutions.

The Radeon HD 7870 has 9.4 GB/sec greater memory bandwidth than the GTX 650 Ti, which means that the memory performance of the Radeon HD 7870 is marginally better than the GTX 650 Ti.

The GeForce GTX 650 Ti Boost Edition has 768 Shader Processing Units and the Radeon HD 7870 has 1280. However, the actual shader performance of the GTX 650 Ti is 793 and the actual shader performance of the Radeon HD 7870 is 1088. The Radeon HD 7870 having 295 better shader performance and an altogether better performance when taking into account other relevant data means that the Radeon HD 7870 delivers a noticeably smoother and more efficient experience when processing graphical data than the GTX 650 Ti.

The GeForce GTX 650 Ti Boost Edition requires 134 Watts to run and the Radeon HD 7870 requires 175 Watts. We would recommend a PSU with at least 450 Watts for the GTX 650 Ti and a PSU with at least 500 Watts for the Radeon HD 7870. The Radeon HD 7870 requires 41 Watts more than the GTX 650 Ti to run. The difference is significant enough that the Radeon HD 7870 may have a slight adverse affect on your yearly electricity bills in comparison to the GTX 650 Ti.

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GPU Architecture

Core Speed980 MHzvs1000 MHz
Boost Clock1033 MHzvs-
ArchitectureKepler GK106-240-A1GCN 1.0 Pitcairn XT
OC Potential Fair vs Fair
Driver Support Good vs Good
Release Date26 Mar 2013vs05 Mar 2012
GPU LinkGD LinkGD Link
Approved
Comparison

Resolution Performance

1366x768
10
green tick vs green tick
10
1600x900
8.4
vs green tick
9.2
1920x1080
6.5
vs green tick
7.2
2560x1440
4.7
vs green tick
5.4
3840x2160
2.9
vs green tick
3.7

GPU Memory

Memory2048 MBvs2048 MB
Memory Speed1502 MHzvs1200 MHz
Memory Bus192 Bitvs256 Bit
Memory TypeGDDR5vsGDDR5
Memory Bandwidth144.2GB/secvs153.6GB/sec
L2 Cache 384 KB vs green tick 512 KB
Delta Color Compression no vs no
Memory Performance 0% green tick vs green tick 0%
Comparison

GPU Display

Shader Processing Units768vs1280
Actual Shader Performance38%vs52%
Technology28nmvs28nm
Texture Mapping Units64vs80
Texture Rate62.7 GTexel/svs80 GTexel/s
Render Output Units24vs32
Pixel Rate23.5 GPixel/svs32 GPixel/s
Comparison

GPU Outputs

Max Digital Resolution (WxH)4096x2160vs4096x2160
VGA Connections0vs0
DVI Connections2vs1
HDMI Connections1vs1
DisplayPort Connections-vs-
Comparison

GPU Power Requirements

Max Power134 Wattsvs175 Watts
Recommended PSU450 Watts & 33 Ampsvs500 Watts & 33 Amps

GPU Features

DirectX12.0vs12.0
Shader Model5.0vs5.0
Open GL4.5vs4.4
Open CL-vs-
Notebook GPUnono
SLI/Crossfireyesvsyes
Dedicatedyesvsyes
Comparison

GPU Supporting Hardware

Recommended ProcessorIntel Core i5-3450 3.1GHzvsIntel Core i5-3570K 3.4GHz
Recommended RAM8 GBvs8 GB
Maximum Recommended Gaming Resolution1920x1080vs1920x1080

Gaming Performance Value

Performance Value

GPU Mini Review

Mini ReviewGeForce GTX 650 Ti Boost Edition is a fast-middle-class GFX, based on the 28nm - Kepler architecture.
It's a modified GeForce GTX 650 Ti that features an increased core-clock whichis of 980MHz (against the 928MHz of the first revision) and has the Boost Clock activated and thus achieving around 1033MHz, in Turbo Mode.
Also, the bus width was increased to 192-bit (from 128-bit) and the operating memory clock to 1502MHz (from 1350MHz). The power consumption is over 50% more.
Compared to the first revision, it supports SLI and benchmarks indicate a performance boost of over 25%, putting its performance even above AMD's Radeon HD 7850.
Overview
Radeon HD 7870 is a Performance Graphics Card based on the First Revision of the Graphics Core Next (GCN) Architecture.

Architecture
The GCN Architecture succeeds the 40nm Terascale Architecture. In addition to being produced with a 28nm Technology, the GCN Architecture adds other Technologies that allow for energy efficiency. For example, ZeroCore Power, a long idle power saving technology, allows the Graphics Cards to shut down by itself when the Monitor is turned off.
GCN also adds Improved Anisotropic Filtering, DirectX 11 Tessellation and the Partially Resident Textures (PRT) Technology, which enables future games to utilize ultra-high resolution textures with the same performance as today's small and often repetitive textures.

GPU
It equips a GPU Codenamed Pitcairn XT which has 20 Compute Units activated and thus offers 1280 Shader Processing Units, 80 TMUs and 32 ROPs. The Central Unit is clocked at 1000MHz.

Memory
The GPU accesses a 2GB frame buffer of fast GDDR5, through a 256-bit memory interface. The size of the frame buffer is adequate. The Memory Clock Operates at 1200MHz.

Power Consumption
With a rated board TDP of 175W, it requires at least a 500W PSU with two available 6-pin connectors.

Performance
Radeon HD 7870 competes with GeForce GTX 660 Ti but its performance was only slightly above the lower positioned GeForce GTX 660 and so GeForce GTX 660 Ti was considerably faster.

System Suggestions
Radeon HD 7870 is best suited for resolutions up to and including 1920x1080. We recommend a Strong Processor (Intel Core i5 Quad Core/AMD FX Six Core) and 8GB of RAM for Optimal Performance.
Recommended CPUIntel Pentium G2120 3.1GHz
Intel Xeon Processor E5620
Intel Core i5-655K 3.2GHz
Intel Core i3-4330TE 2.4GHz
Intel Core 2 Quad Q8300 2.5GHz
Intel Core i7-4785T 4-Core 2.2GHz
Intel Xeon E5-2407 v2
Intel Core i5-4570 3.2GHz
Intel Core i5-4670S 3.1GHz
Intel Xeon Processor W3670
Possible GPU Upgrades-Radeon R9 390 Sapphire Nitro w/ Back Plate 8GB Edition
Radeon R9 390 Asus DirectCU III OC Strix Gaming 8GB Edition
Radeon R9 290X PowerColor PCS+ 4GB Edition
Radeon R9 290X Asus ROG Matrix Platinum Edition
Radeon R9 290X Asus DirectCU II OC Edition
GPU VariantsGeForce GTX 650 Ti Boost Palit 1GB Edition
GeForce GTX 650 Ti EVGA Boost Superclocked 1GB Edition
GeForce GTX 650 Ti Zotac Boost Edition
GeForce GTX 650 Ti Boost Palit OC 2GB Edition
GeForce GTX 650 Ti Boost MSI OC 2GB Edition
GeForce GTX 650 Ti Boost DirectCU II OC Edition
GeForce GTX 650 Ti Boost MSI Twin Frozr OC 2GB Edition
GeForce GTX 650 Ti Boost Golden Sample Edition
GeForce GTX 650 Ti MSI TF OC Boost Edition
GeForce GTX 650 Ti Boost WindForce 2X OC Edition
GeForce GTX 650 Ti EVGA Boost SC Edition
Radeon HD 7870 Club3D royalQueen 2GB Edition
Radeon HD 7870 Sapphire GHz 2GB Edition
Radeon HD 7870 DirectCU II 2GB Edition
Radeon HD 7870 PowerColor OC Edition
Radeon HD 7870 Twin Frozr III OC 2GB Edition
Radeon HD 7870 MSI OC Edition
Radeon HD 7870 HIS IceQ Edition
Radeon HD 7870 Club3D GHz Edition
Radeon HD 7870 Double D Edition
Radeon HD 7870 XFX Core Edition
Radeon HD 7870 Club3D jokerCard 2GB Edition
Radeon HD 7870 Sapphire GHz OC Edition
Radeon HD 7870 Double D Black Edition
Radeon HD 7870 Gigabyte OC Edition
Radeon HD 7870 MSI Hawk Edition
Radeon HD 7870 HIS IceQ Turbo Edition
Radeon HD 7870 DirectCU II TOP v2 Edition
Radeon HD 7870 HIS IceQ X Turbo Edition
Radeon HD 7870 PowerColor Devil Edition
Radeon HD 7870 PowerColor PCS+ 2GB Edition
Radeon HD 7870 PCS+ Vortex II Edition