Select any two GPUs for comparison
VS

Gaming Performance Comparison

Recommended System Requirements
Game Radeon R9 270X Sapphire Toxic 2GB OC Edition Radeon HD 6870 Crossfire
Cyberpunk 2077 91% 82%
Assassins Creed: Valhalla 74% 67%
Call of Duty: Black Ops Cold War 69% 61%
Microsoft Flight Simulator 69% 61%
FIFA 21 4% 8%
Immortals: Fenyx Rising 55% 48%
Genshin Impact 91% 82%
Grand Theft Auto VI 168% 156%
World of Warcraft: Shadowlands 173% 161%
Watch Dogs Legion 84% 76%

In terms of overall gaming performance, the graphical capabilities of the AMD Radeon HD 6870 Crossfire are marginally better than the AMD Radeon R9 270X Sapphire Toxic 2GB OC Edition.

The R9 270X has a 200 MHz higher core clock speed than the HD 6870, but the HD 6870 has 32 more Texture Mapping Units than the R9 270X. As a result, the HD 6870 exhibits a 12.8 GTexel/s better Texture Fill Rate than the R9 270X. This still holds weight but shader performance is generally more relevant, particularly since both of these GPUs support at least DirectX 10.

The R9 270X has a 200 MHz higher core clock speed than the HD 6870, but the HD 6870 has 32 more Render Output Units than the R9 270X. As a result, the HD 6870 exhibits a 22.4 GPixel/s better Pixel Fill Rate than the R9 270X. However, both GPUs support DirectX 9 or above, and pixeling performance is only really relevant when comparing older cards.

The R9 270X was released over three years more recently than the HD 6870, and so the R9 270X is likely to have far better driver support, meaning it will be much more optimized and ultimately superior to the HD 6870 when running the latest games.

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 Radeon R9 270X Sapphire Toxic 2GB OC Edition and the Radeon HD 6870 Crossfire have the same amount of video memory, but are likely to provide slightly different experiences when displaying game textures at high resolutions.

The HD 6870 has 76.8 GB/sec greater memory bandwidth than the R9 270X, which means that the memory performance of the HD 6870 is much better than the R9 270X.

The Radeon R9 270X Sapphire Toxic 2GB OC Edition has 1280 Shader Processing Units and the Radeon HD 6870 Crossfire has 2240. However, the actual shader performance of the R9 270X is 1251 and the actual shader performance of the HD 6870 is 1008. The R9 270X having 243 better shader performance is not particularly notable, as altogether the HD 6870 performs better when taking into account other relevant data.

The R9 270X transistor size technology is 12 nm (nanometers) smaller than the HD 6870. This means that the R9 270X is expected to run slightly cooler and achieve higher clock frequencies than the HD 6870.

The Radeon R9 270X Sapphire Toxic 2GB OC Edition requires 180 Watts to run and the Radeon HD 6870 Crossfire requires 302 Watts. We would recommend a PSU with at least 500 Watts for the R9 270X and a PSU with at least 600 Watts for the HD 6870. The HD 6870 requires 122 Watts more than the R9 270X to run. The difference is significant enough that the HD 6870 may have an adverse affect on your yearly electricity bills in comparison to the R9 270X.

Game FPS Benchmarks On Ultra

GPU Architecture

Core Speed1100 MHzvs900 MHz
Boost Clock1150 MHzvs-
ArchitectureGCN 1.1 Curacao XTTerascale 2 Barts XT (x2)
OC Potential Poor vs Fair
Driver Support Great vs Poor
Release Date08 Oct 2013vs01 Oct 2010
GPU LinkGD LinkGD Link
Approved
Comparison

Resolution Performance

1366x768 - green tick vs green tick -
1600x900
9.6
green tick vs -
1920x1080
7.7
vs green tick
7.9
2560x1440
5.7
green tick vs -
3840x2160
4.1
green tick vs -

GPU Memory

Memory2048 MBvs2048 MB
Memory Speed1500 MHzvs1050 MHz
Memory Bus256 Bitvs512 Bit
Memory TypeGDDR5vsGDDR5
Memory Bandwidth192GB/secvs268.8GB/sec
L2 Cache 512 KB vs green tick 1024 KB
Delta Color Compression no vs no
Memory Performance 0% green tick vs green tick 0%
Comparison

GPU Display

Shader Processing Units1280vs2240
Actual Shader Performance60%vs49%
Technology28nmvs40nm
Texture Mapping Units80vs112
Texture Rate88 GTexel/svs100.8 GTexel/s
Render Output Units32vs64
Pixel Rate35.2 GPixel/svs57.6 GPixel/s
Comparison

GPU Outputs

Max Digital Resolution (WxH)4096x2160vs2560x1600
VGA Connections0vs2
DVI Connections2vs4
HDMI Connections1vs2
DisplayPort Connections-vs-
Comparison

GPU Power Requirements

Max Power180 Wattsvs302 Watts
Recommended PSU500 Wattsvs600 Watts & 50 Amps

GPU Features

DirectX12.0vs11.0
Shader Model5.0vs5.0
Open GL4.4vs4.3
Open CL-vs-
Notebook GPUnono
SLI/Crossfireyesvsno
Dedicatedyesvsyes
Comparison

GPU Supporting Hardware

Recommended ProcessorIntel Core i5-4430 3.0GHzvsIntel Core i7-960 Quad 3.2GHz
Recommended RAM8 GBvs8 GB
Maximum Recommended Gaming Resolution1920x1080vs1920x1080

Gaming Performance Value

Performance Value

GPU Mini Review

Mini ReviewRadeon R9 270X Sapphire Toxic 2GB OC Edition is a special edition of the high-end Radeon R9 270X.
This edition comes with a custom cooling system called "Tri-X", which reduces the card's temperature under load, significantly and comes overclocked out of the box in the central unit that was increased from 1000MHz to 1100MHz, while the Boost clock is now of 1150MHz. Also, the operating memory clock is now of 1500MHz.
Benchmarks indicate a 5% performance boost over the standard edition and so this card will surpass a Radeon HD 7950.
Radeon HD 6870 Crossfire is a solution of two Radeon HD 6870 put together using AMD'S Crossfire technology.
Check the page of Radeon HD 6870 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 up to 67% better than a single Radeon HD 6870 performing by itself 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 6870. Expect this combination to draw up to 302 Watt though the average power consumption should be slightly lower.
Even the most demanding games will run at the highest settings.
Recommended CPU
Possible GPU Upgrades
-
GPU Variants
-
-