i5-11600KF vs i5-8260U

Place in the ranking	1270	612
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Desktop processor
Power efficiency	29.54	9.35
Architecture codename	Coffee Lake (2017−2019)	Rocket Lake (2021)
Release date	21 August 2019 (5 years ago)	16 March 2021 (3 years ago)
Launch price (MSRP)	$297	no data

Detailed specifications

Core i5-8260U and Core i5-11600KF basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores	4 (Quad-Core)	6 (Hexa-Core)
Threads	8	12
Base clock speed	1.6 GHz	3.9 GHz
Boost clock speed	3.9 GHz	4.9 GHz
Bus rate	4 GT/s OPI	8 GT/s
L1 cache	256 KB	64K (per core)
L2 cache	1 MB	256K (per core)
L3 cache	6 MB	12 MB (shared)
Chip lithography	14 nm	14 nm
Maximum core temperature	100 °C	100 °C
Maximum case temperature (TCase)	no data	72 °C
64 bit support	+	+
Windows 11 compatibility	+	+
Unlocked multiplier	-	+

Compatibility

Information on Core i5-8260U and Core i5-11600KF compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration	1	1
Socket	FCBGA1528	FCLGA1200
Power consumption (TDP)	15 Watt	125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-8260U and Core i5-11600KF. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
AES-NI	+	+
AVX	+	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	+	no data
My WiFi	+	no data
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	+
TSX	-	+
Idle States	+	+
Thermal Monitoring	+	+
Flex Memory Access	+	no data
Smart Response	+	no data
Turbo Boost Max 3.0	no data	-
Deep Learning Boost	-	+

Security technologies

Core i5-8260U and Core i5-11600KF technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	+
EDB	+	+
Secure Key	+	+
Identity Protection	+	+
SGX	Yes with Intel® ME	-
OS Guard	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-8260U and Core i5-11600KF are enumerated here.

AMD-V	+	-
VT-d	+	+
VT-x	+	+
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-8260U and Core i5-11600KF. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR4-3200
Maximum memory size	64 GB	128 GB
Max memory channels	2	2
Maximum memory bandwidth	37.5 GB/s	50 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel UHD Graphics 620	no data
Max video memory	32 GB	no data
Quick Sync Video	+	-
Clear Video	+	no data
Clear Video HD	+	no data
Graphics max frequency	1.1 GHz	no data

Graphics interfaces

Available interfaces and connections of Core i5-8260U and Core i5-11600KF integrated GPUs.

Number of displays supported	3	no data
eDP	+	no data
DisplayPort	+	-
HDMI	+	-
DVI	+	no data

Graphics image quality

Maximum display resolutions supported by Core i5-8260U and Core i5-11600KF integrated GPUs, including resolutions over different interfaces.

4K resolution support	+	no data
Max resolution over HDMI 1.4	4096x2304@24Hz	no data
Max resolution over eDP	4096x2304@60Hz	no data
Max resolution over DisplayPort	4096x2304@60Hz	no data

Graphics API support

APIs supported by Core i5-8260U and Core i5-11600KF integrated GPUs, sometimes API versions are included.

DirectX	12	no data
OpenGL	4.5	no data

Peripherals

Specifications and connection of peripherals supported by Core i5-8260U and Core i5-11600KF.

PCIe version	3.0	4.0
PCI Express lanes	16	20

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

i5-8260U 4.86

i5-11600KF 12.82
+164%

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

i5-8260U 7430

i5-11600KF 19627
+164%

Gaming performance

Pros & cons summary

Performance score	4.86	12.82
Recency	21 August 2019	16 March 2021
Physical cores	4	6
Threads	8	12
Power consumption (TDP)	15 Watt	125 Watt

i5-8260U has 733.3% lower power consumption.

i5-11600KF, on the other hand, has a 163.8% higher aggregate performance score, an age advantage of 1 year, and 50% more physical cores and 50% more threads.

The Core i5-11600KF is our recommended choice as it beats the Core i5-8260U in performance tests.

Be aware that Core i5-8260U is a notebook processor while Core i5-11600KF is a desktop one.

Should you still have questions on choice between Core i5-8260U and Core i5-11600KF, ask them in Comments section, and we shall answer.