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Gaming Performance Comparison

Recommended System Requirements
Game Core i5-4690 3.5GHz Core 2 Quad Q8300 2.5GHz
Halo: Reach 53% 10%
Cyberpunk 2077 3% 126%
Red Dead Redemption 2 14% 165%
Dragon Ball Z Kakarot 14% 101%
Call of Duty: Modern Warfare 15% 97%
Doom Eternal 6% 118%
Microsoft Flight Simulator 24% 189%
Grand Theft Auto VI 55% 261%
FIFA 20 18% 90%
Need For Speed Heat 3% 124%

In terms of overall gaming performance, the Intel Core i5-4690 3.5GHz is massively better than the Intel Core 2 Quad Q8300 2.5GHz when it comes to running the latest games. This also means it will be less likely to bottleneck more powerful GPUs, allowing them to achieve more of their gaming performance potential.

The Core i5-4690 3.5GHz was released over three years more recently than the Core 2 Quad, and so the Core i5-4690 3.5GHz is likely to have far better levels of support, and will be much more optimized and ultimately superior to the Core 2 Quad when running the latest games.

The Core i5-4690 3.5GHz and the Core 2 Quad both have 4 cores, which is not likely to be a limiting factor for gaming.

Both the Intel Core i5-4690 3.5GHz and the Intel Core 2 Quad Q8300 2.5GHz have the same number of threads. Both CPUs have one thread per physical core.

Multiple threads are useful for improving the performance of multi-threaded applications. Additional cores and their accompanying thread will always be beneficial for multi-threaded applications. Hyperthreading will be beneficial for applications optimized for it, but it may slow others down. For games, the number of threads is largely irrelevant, as long as you have at least 2 cores (preferably 4), and hyperthreading can sometimes even hit performance.

More important for gaming than the number of cores and threads is the clock rate. Problematically, unless the two CPUs are from the same family, this can only serve as a general guide and nothing like an exact comparison, because the clock cycles per instruction (CPI) will vary so much.

The Core i5-4690 3.5GHz and Core 2 Quad are not from the same family of CPUs, so their clock speeds are by no means directly comparable. Bear in mind, then, that while the Core i5-4690 3.5GHz has a 1 GHz faster frequency, this is not always an indicator that it will be superior in performance, despite frequency being crucial when trying to avoid GPU bottlenecking. In this case, however, the difference is probably a good indicator that the is superior.

Aside from the clock rate, the next-most important CPU features for PC game performance are L2 and L3 cache size. Faster than RAM, the more cache available, the more data that can be stored for lightning-fast retrieval. L1 Cache is not usually an issue anymore for gaming, with most high-end CPUs eking out about the same L1 performance, and L2 is more important than L3 - but L3 is still important if you want to reach the highest levels of performance. Bear in mind that although it is better to have a larger cache, the larger it is, the higher the latency, so a balance has to be struck.

The Core 2 Quad has a 3072 KB bigger L2 cache than the Core i5-4690 3.5GHz, and although the Core 2 Quad does not appear to have an L3 cache, its larger L2 cache means that it wins out in this area.

The maximum Thermal Design Power is the power in Watts that the CPU will consume in the worst case scenario. The lithography is the semiconductor manufacturing technology being used to create the CPU - the smaller this is, the more transistors that can be fit into the CPU, and the closer the connections. For both the lithography and the TDP, it is the lower the better, because a lower number means a lower amount of power is necessary to run the CPU, and consequently a lower amount of heat is produced.

The Core i5-4690 3.5GHz has a 11 Watt lower Maximum TDP than the Core 2 Quad, and was created with a 23 nm smaller manufacturing technology. What this means is the Core i5-4690 3.5GHz will consume slightly less power and consequently produce less heat, enabling more prolonged computational tasks with fewer adverse effects. This will lower your yearly electricity bill slightly, as well as prevent you from having to invest in extra cooling mechanisms (unless you overclock).

The Core i5-4690 3.5GHz has an on-board GPU, which means that it will be capable of running basic graphics applications (i.e., games) without the need for a dedicated graphics card. The Core 2 Quad, however, does not, and you will probably have to look for a dedicated card if you wish to use it at all.

For in-depth GPU comparisons with the Intel HD Graphics 4600 Desktop, click on the following GPU overview comparison icon (visible throughout Game-Debate), and choose a GPU from the list to compare against:

On-board GPUs tend to be fairly awful in comparison to dedicated cards from the likes of AMD or Nvidia, but as they are built into the CPU, they also tend to be cheaper and require far less power to run (this makes them a good choice for laptops). We would recommend a dedicated card for running the latest games, but integrated GPUs are improving all the time and casual gamers may find less recent games perform perfectly acceptably.

CPU Core Details

CPU CodenameHaswellYorkfield
MoBo SocketLGA 1150LGA 775/ Socket T
Notebook CPUnono
Release Date14 May 201430 Nov 2008
CPU LinkGD LinkGD Link
Approved

CPU Technical Specifications

CPU Cores4vs4
CPU Threads4vs4
Clock Speed3.5 GHzvs2.5 GHz
Turbo Frequency3.9 GHzvs-
Max TDP84 Wvs95 W
Lithography22 nmvs45 nm
Bit Width64 Bitvs64 Bit
Max Temperature100°Cvs71°C
Virtualization Technologynovsno
Comparison

CPU Cache and Memory

L1 Cache Size256 KBvs256 KB
L2 Cache Size1024 KBvs4096 KB
L3 Cache Size6 MBvs-
Max Memory Size-vs-
Memory Channels-vs2
ECC Memory Supportnovsno
Comparison

CPU Graphics

GraphicsIntel HD Graphics 4600 Desktop
Base GPU Frequency400 MHzvs-
Max GPU Frequency1250 MHzvs-
DirectX11.1vs-
Displays Supported-vs-
Comparison

CPU Package and Version Specifications

Package Size-vs-
Revision-vs-
PCIe Revision-vs-
PCIe Configurations-vs-

Gaming Performance Value

Tomb Raidervs
Borderlands 2vs
The Elder Scrolls Vvs
Performance Value

CPU Mini Review

Mini ReviewCore i5-4690 3.5GHz is a high-end CPU based on the 22nm, Haswell architecture.

It offers 4 Physical Cores (4 Logical), initially clocked at 3.5GHz, which may go up to 3.9GHz and 6MB of L3 Cache.
Among its many features, Turbo Boost and Virtualization are activated.

The processor integrates powerful Graphics called Intel HD Graphics 4600, with 20 Execution Units, initially clocked at 350MHz and that go up to 1200MHz, in Turbo Mode which share the L2 Cache and system RAM with the processor.
Both the processor and integrated graphics have a rated board TDP of 84W.

Compared to Core i5-4670K there's an overall 3% performance boost. Its performance is exceptionally good and enough for even the most demanding applications.
Core 2 Quad Q8300 2.5GHz is a high-end Processor based on the 45nm Core micro-architecture.

It offers 4 Physical Cores (4 Logical), clocked at 2.5GHz and 4MB of L2 Cache.
Among its many features, Virtualization is activated.

The processor DOES NOT integrated any graphics. and has a rated board TDP of 95W.

It offers average performance. It will therefore become a bottleneck in today's demanding games.

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