Select any two CPUs for comparison

Gaming Performance Comparison

Recommended System Requirements
Game Core i3-7350K 4.20GHz Ryzen R7 1700
Cyberpunk 2077 2% 39%
Assassins Creed: Valhalla 37% 18%
Call of Duty: Black Ops Cold War 33% 20%
Genshin Impact 23% 54%
eFootball PES 2021 9% 35%
Mafia: Definitive Edition 9% 35%
Watch Dogs Legion 37% 18%
FIFA 21 5% 43%
Marvel's Avengers 33% 20%
Microsoft Flight Simulator 15% 31%

In terms of overall gaming performance, the AMD Ryzen R7 1700 is massively better than the Intel Core i3-7350K 4.20GHz 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 Ryzen R7 1700 was released less than a year after the Core i3-7350K 4.20GHz, and so they are likely to have similar levels of support, and similarly optimized performance when running the latest games.

Both CPUs 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 (assuming they are accompanied by equivalently powerful GPUs).

The Ryzen R7 1700 has 6 more cores than the Core i3-7350K 4.20GHz. With 8 cores, the Ryzen R7 1700 is much less likely to struggle with the latest games, or bottleneck high-end graphics cards when running them.

The Ryzen R7 1700 has 12 more threads than the Core i3-7350K 4.20GHz. Both the Core i3-7350K 4.20GHz and the Ryzen R7 1700 use hyperthreading. The Core i3-7350K 4.20GHz has 2 logical threads per physical core and the Ryzen R7 1700 has 2.

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 i3-7350K 4.20GHz and Ryzen R7 1700 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 i3-7350K 4.20GHz has a 1.2 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 Ryzen R7 1700 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 Ryzen R7 1700 has a 3584 KB bigger L2 cache than the Core i3-7350K 4.20GHz, which means that it, at worst, wins out in this area, and at best, will provide superior gaming performance and will work much better with high-end graphics cards.

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 i3-7350K 4.20GHz has a 5 Watt lower Maximum TDP than the Ryzen R7 1700 (though they were created with the same size 14 nm manufacturing technology). What this means is the Core i3-7350K 4.20GHz 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).

CPU Core Details

CPU CodenameKaby LakeZen
MoBo SocketNot sureSocket AM4
Notebook CPUnono
Release Date06 Jan 201702 Mar 2017
CPU LinkGD LinkGD Link

CPU Technical Specifications

CPU Cores2vs8
CPU Threads4vs16
Clock Speed4.2 GHzvs3 GHz
Turbo Frequency-vs3.7 GHz
Max TDP60 Wvs65 W
Lithography14 nmvs14 nm
Bit Width-vs-
Virtualization Technologynovsno

CPU Cache and Memory

L1 Cache Size64 KBvs512 KB
L2 Cache Size512 KBvs4096 KB
L3 Cache Size4 MBvs16 MB
Max Memory Size-vs-
ECC Memory Supportnovsno

CPU Graphics

Base GPU Frequency-vs-
Max GPU Frequency-vs-
Displays Supported-vs-

CPU Package and Version Specifications

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

Gaming Performance Value

Performance Value

CPU Mini Review

Mini ReviewIntel Core i3-7350K 4.2GHz is a Middle-Class Processor based on the 14nm Kaby Lake MicroArchitecture. It offers 2 Physical Cores (4 Logical), initially clocked at 4.2GHz and 4MB of L3 Cache. Among its many features are HyperThreading, Virtualization, and an Unlocked Multiplier which enables overclocking. The Processor Integrates Powerful Graphics called Intel HD Graphics 630, with 24 Execution Units, initially clocked at 300MHz and that go up to 1150MHz, 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 60W. It is a powerful processor whose performance is good. It's thus capable of running most applications smoothly without any problem, and is a very capable CPU for games which do no require quad-core processors as a minimum.The AMD Ryzen 7 1700 8-Core 3.7GHz is a high-end CPU based on the 14nm Zen micro architecture. It offers 8 physical cores (16 threads), initially clocked at 3.0 GHz base clock, rising to 3.7 GHz with boost clock. It has an unlocked multiplier for overclocking, and 16MB of L3 Cache. Among its many features are Simultaneous Multithreading, Cool n Quiet, CoolCore Technology, Extended Frequency Range (XFX), Pure Power and Precision Boost. This CPU is likely to offer exceptional computational performance and will not be the bottleneck in any modern gaming PC. It will be able to play all modern games comfortably on high/ultra graphics performance without being a hindrance to the accompanying GPU.