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Gaming Performance Comparison

Recommended System Requirements
Game Radeon HD 7870 XT Crossfire Radeon R9 270
Cyberpunk 2077 64% 183%
Grand Theft Auto VI 83% 214%
eFootball PES 2020 26% 27%
Call of Duty: Modern Warfare 64% 183%
F1 2019 36% 135%
Bloodstained: Ritual of the Night 28% 24%
Borderlands 3 26% 117%
Doom Eternal 3% 77%
The Division 2 83% 214%
World War Z 32% 17%

In terms of overall gaming performance, the graphical capabilities of the AMD Radeon HD 7870 XT Crossfire are significantly better than the AMD Radeon R9 270.

The HD 7870 XT has a 25 MHz higher core clock speed and 112 more Texture Mapping Units than the Radeon R9 270. This results in the HD 7870 XT providing 105.6 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 HD 7870 XT has a 25 MHz higher core clock speed and 32 more Render Output Units than the Radeon R9 270. This results in the HD 7870 XT providing 30.4 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 Radeon R9 270 was released over a year more recently than the HD 7870 XT, and so the Radeon R9 270 is likely to have better driver support, meaning it will be more optimized for running the latest games when compared to the HD 7870 XT.

Both GPUs exhibit very powerful performance, so it probably isn't worth upgrading from one to the other, as both are capable of running even the most demanding games at the highest settings.

The HD 7870 XT has 2048 MB more video memory than the Radeon R9 270, so is likely to be much better at displaying game textures at higher resolutions. This is supported by the fact that the HD 7870 XT also has superior memory performance overall.

The HD 7870 XT has 204.8 GB/sec greater memory bandwidth than the Radeon R9 270, which means that the memory performance of the HD 7870 XT is massively better than the Radeon R9 270.

The Radeon HD 7870 XT Crossfire has 3072 Shader Processing Units and the Radeon R9 270 has 1280. However, the actual shader performance of the HD 7870 XT is 2415 and the actual shader performance of the Radeon R9 270 is 1006. The HD 7870 XT having 1409 better shader performance and an altogether better performance when taking into account other relevant data means that the HD 7870 XT delivers a massively smoother and more efficient experience when processing graphical data than the Radeon R9 270.

The Radeon HD 7870 XT Crossfire requires 350 Watts to run and the Radeon R9 270 requires 150 Watts. We would recommend a PSU with at least 750 Watts for the HD 7870 XT and a PSU with at least 500 Watts for the Radeon R9 270. The HD 7870 XT requires 200 Watts more than the Radeon R9 270 to run. The difference is significant enough that the HD 7870 XT may have an adverse affect on your yearly electricity bills in comparison to the Radeon R9 270.

Can I Run It

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GPU Architecture

Core Speed925 MHzvs900 MHz
Boost Clock-vs925 MHz
ArchitectureGCN 1.0 Tahiti LE (x2)GCN 1.1 Curacao PRO
OC Potential Fair vs Fair
Driver Support Good vs Great
Release Date01 Nov 2012vs13 Nov 2013
GPU LinkGD LinkGD Link
Approved
Comparison

Resolution Performance

1366x768 - vs green tick
10
1600x900 - vs green tick
9.2
1920x1080
9.4
green tick vs
7.2
2560x1440 - vs green tick
5.4
3840x2160 - vs green tick
3.7

GPU Memory

Memory4096 MBvs2048 MB
Memory Speed1500 MHzvs1400 MHz
Memory Bus512 Bitvs256 Bit
Memory TypeGDDR5vsGDDR5
Memory Bandwidth384GB/secvs179.2GB/sec
L2 Cache 1024 KB green tick vs 512 KB
Delta Color Compression no vs no
Memory Performance 0% green tick vs green tick 0%
Comparison

GPU Display

Shader Processing Units3072vs1280
Actual Shader Performance100%vs48%
Technology28nmvs28nm
Texture Mapping Units192vs80
Texture Rate177.6 GTexel/svs72 GTexel/s
Render Output Units64vs32
Pixel Rate59.2 GPixel/svs28.8 GPixel/s
Comparison

GPU Outputs

Max Digital Resolution (WxH)4096x2160vs4096x2160
VGA Connections0vs0
DVI Connections0vs2
HDMI Connections0vs1
DisplayPort Connections-vs-
Comparison

GPU Power Requirements

Max Power350 Wattsvs150 Watts
Recommended PSU750 Wattsvs500 Watts & 32 Amps

GPU Features

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

GPU Supporting Hardware

Recommended ProcessorIntel Core i5-3570K 3.4GHzvsIntel Core i5-4430 3.0GHz
Recommended RAM12 GBvs8 GB
Maximum Recommended Gaming Resolution1920x1080vs1920x1080

Gaming Performance Value

Performance Value

GPU Mini Review

Mini ReviewRadeon HD 7870 XT Crossfire is a solution of two Radeon HD 7870 XT put together using AMD'S Crossfire technology.
Check the page of Radeon HD 7870 XT to know more about its chip.
Crossfire relies a lot on proper driver support and may suffer from micro-stuttering in lower frame rates (below 30). Benchmarks indicate the performance is overall, is close to Radeon HD 7950 Crossfire but it might be worse (depending on whether or not the 3D game supports crossfire or in the graphics driver) than a single Radeon HD 7870 XT. Expect this combination to draw up to 370 Watt though the average power consumption should be slightly lower.
Even the most demanding games will run at the highest settings.
Overview
Radeon R9 270 is a Performance Graphics Card based on the First Revision of the Graphics Core Next (GCN) Architecture.

Architecture
The GCN 1.1 revision of the Graphics Core Next Architecture adds new important technologies and is largely oriented for energy efficiency. New technologies such as PowerTune and TrueAudio are the biggest additions as well as DirectX 11.2 support.

GPU
It equips a GPU Codenamed Curacao PRO which has 20 Compute Units activated and thus offers 1280 Shader Processing Units, 80 TMUs and 32 ROPs. The Central Unit is clocked at 900MHz and goes up to 925MHz, in Turbo Mode.

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 1400MHz.

Power Consumption
With a rated board TDP of 150W, it requires at least a 500W PSU with one available 6-pin connector.

Performance
Radeon R9 270 is a direct rebrand of Radeon HD 8860 (OEM) which is essentially a Power Optimized Radeon HD 7870/Radeon HD 8870 (OEM).
It proves to be as fast as Radeon HD 7870/Radeon HD 8870 (OEM) .

System Suggestions
Radeon HD 8860 (OEM) 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 Core i5-4460 3.2GHz
Intel Core i5-4570S 2.9GHz
Intel Xeon E3-1220 v2
Intel Xeon Processor X5675
Intel Core i5-7400 3.0GHz
Intel Xeon E5-2620 v2
Intel Core i7-2600S 4-Core 2.8GHz
Intel Core i3-7320 2-Core 4.1GHz
Intel Core i5-2550K 3.4GHz
Intel Core i5-4460S 2.9GHz
Possible GPU UpgradesRadeon 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
Radeon R9 390X Sapphire Tri-X w/ Back Plate 8GB Edition
Radeon R9 390X PowerColor Devil 8GB Edition
Radeon R9 390X Asus DirectCU III Strix Gaming OC 8GB Edition
Radeon R9 390X HIS IceQ X OC 8GB Edition
Radeon R9 390X XFX Double Dissipation Black 8GB Edition
GPU Variants-Radeon R9 270 HIS iCooler 2GB Edition
Radeon R9 270 HIS IceQ X² 2GB Edition
Radeon R9 270 XFX Double D 2GB Edition
Radeon R9 270 Sapphire Dual-X 2GB OC Edition
Radeon R9 270 PowerColor 2GB OC Edition
Radeon R9 270 Club3D royalQueen Edition
Radeon R9 270 Club3D '14Series Edition
Radeon R9 270 HIS IceQ X Turbo Edition
Radeon R9 270 DirectCU II OC Edition
Radeon R9 270 Gigabyte WindForce 2X OC Edition
Radeon R9 270 MSI Gaming 2GB Edition

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