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Gaming Performance Comparison

Recommended System Requirements
Game Radeon R7 260 Radeon HD 4870
Red Dead Redemption 2 224% 346%
Cyberpunk 2077 345% 513%
Dragon Ball Z Kakarot 100% 175%
Microsoft Flight Simulator 345% 513%
Call of Duty: Modern Warfare 224% 346%
Doom Eternal 179% 283%
FIFA 20 73% 138%
Grand Theft Auto VI 395% 581%
Need For Speed Heat 224% 346%
Halo: Reach 3% 42%

In terms of overall gaming performance, the graphical capabilities of the AMD Radeon R7 260 are significantly better than the AMD Radeon HD 4870.

The Radeon R7 260 has a 250 MHz higher core clock speed and 8 more Texture Mapping Units than the Radeon HD 4870. This results in the Radeon R7 260 providing 18 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 R7 260 has a 250 MHz higher core clock speed than the Radeon HD 4870 and the same number of Render Output Units. This results in the Radeon R7 260 providing 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 R7 260 was released over three years more recently than the Radeon HD 4870, and so the Radeon R7 260 is likely to have far better driver support, meaning it will be much more optimized and ultimately superior to the Radeon HD 4870 when running the latest games.

The Radeon R7 260 has 1536 MB more video memory than the Radeon HD 4870, so is likely to be much better at displaying game textures at higher resolutions. However, the overall memory performance is about the same.

The Radeon HD 4870 has 19.2 GB/sec greater memory bandwidth than the Radeon R7 260, which means that the memory performance of the Radeon HD 4870 is slightly better than the Radeon R7 260.

The Radeon R7 260 has 768 Shader Processing Units and the Radeon HD 4870 has 800. However, the actual shader performance of the Radeon R7 260 is 653 and the actual shader performance of the Radeon HD 4870 is 390. The Radeon R7 260 having 263 better shader performance and an altogether better performance when taking into account other relevant data means that the Radeon R7 260 delivers a marginally smoother and more efficient experience when processing graphical data than the Radeon HD 4870.

The Radeon R7 260 transistor size technology is 27 nm (nanometers) smaller than the Radeon HD 4870. This means that the Radeon R7 260 is expected to run slightly cooler and achieve higher clock frequencies than the Radeon HD 4870.

The Radeon R7 260 requires 95 Watts to run and the Radeon HD 4870 requires 150 Watts. We would recommend a PSU with at least 450 Watts for the Radeon R7 260 and a PSU with at least 500 Watts for the Radeon HD 4870. The Radeon HD 4870 requires 55 Watts more than the Radeon R7 260 to run. The difference is significant enough that the Radeon HD 4870 may have an adverse affect on your yearly electricity bills in comparison to the Radeon R7 260.

Game FPS Benchmarks On Ultra

GPU Architecture

Core Speed1000 MHzvs750 MHz
Boost Clock-vs-
ArchitectureGCN 1.1 Bonaire PRORV770 PRO
OC Potential Fair vs Fair
Driver Support Great vs -
Release Date17 Dec 2013vs01 Jun 2008
GPU LinkGD LinkGD Link
Approved
Comparison

Resolution Performance

1366x768
9.7
green tick vs
8.5
1600x900
7.5
green tick vs
6.4
1920x1080
5.7
green tick vs
4.9
2560x1440
4
green tick vs
2.8
3840x2160
2.4
green tick vs
1.8

GPU Memory

Memory2048 MBvs512 MB
Memory Speed1500 MHzvs900 MHz
Memory Bus128 Bitvs256 Bit
Memory TypeGDDR5vsGDDR5
Memory Bandwidth96GB/secvs115.2GB/sec
L2 Cache 512 KB green tick vs -
Delta Color Compression no vs no
Memory Performance 0% green tick vs green tick 0%
Comparison

GPU Display

Shader Processing Units768vs800
Actual Shader Performance31%vs19%
Technology28nmvs55nm
Texture Mapping Units48vs40
Texture Rate48 GTexel/svs30 GTexel/s
Render Output Units16vs16
Pixel Rate16 GPixel/svs12 GPixel/s
Comparison

GPU Outputs

Max Digital Resolution (WxH)4096x2160vs2560x1600
VGA Connections0vs0
DVI Connections1vs2
HDMI Connections1vs0
DisplayPort Connections-vs-
Comparison

GPU Power Requirements

Max Power95 Wattsvs150 Watts
Recommended PSU450 Watts & 30 Ampsvs500 Watts & 32 Amps

GPU Features

DirectX12.0vs10.1
Shader Model5.0vs4.1
Open GL4.4vs3.2
Open CL-vs-
Notebook GPUnono
SLI/Crossfireyesvsyes
Dedicatedyesvsyes
Comparison

GPU Supporting Hardware

Recommended ProcessorIntel Core i5-3450 3.1GHzvsIntel Core 2 Duo E8600 3.33GHz
Recommended RAM8 GBvs6 GB
Maximum Recommended Gaming Resolution1600x900vs1600x900

Gaming Performance Value

Performance Value

GPU Mini Review

Mini ReviewRadeon R7 260 is a fast-middle-class graphics card based on the Second Revision of the GCN architecture. It packs a Core codenamed Bonaire PRO.
The Bonaire PRO is a cut-down version of the Bonaire XT Core used on Radeon HD 7790. It comes with 14 Compute Units and thus offers 768 Shader Processing Units, 48 TMUs and 16 ROPs. This, on a 128-bit memory interface of fast GDDR5. Compared to the Bonaire XT Core, it has support for DirectX 11.2 and has support for AMD's TrueAudio Technology.
Benchmarks indicate its performance is around 10% slower than Radeon HD 7790 and a little over that when taking Radeon R7 260X as a reference.
The card proves to be very inefficient seeing as it has a higher rated TDP board than Radeon HD 7790 and its release price of $109 makes Radeon HD 7850 a better option.
Radeon HD 4870 is a high-end GPU based on the 55nm, third unified shader architecture, R700.
It's based on the RV770 PRO Core and offers 800 Shader Processing Units, 40 TMUs and 16 ROPs a 256-bit memory interface of fast GDDR5. The central unit runs at 750MHz and the memory clock runs at up to 900MHz.
Compared to Radeon HD 4890, it offers slightly less bandwidth (thanks to the higher operating memory clock), the central unit is lower clocked and features twice as less video memory. However, it only consumes up to 150W (40W less). The performance difference between is not very significant and so Radeon HD 4870 might be the best choice, over 4890 since it can be easily overclocked.
Most of today's modern games should run fluently at high settings but with modest resolutions. DirectX 11 games aren't supported.
Recommended CPU
Possible GPU Upgrades
-
GPU Variants

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