Ryzen 9 7945HX vs i5-11600KF

Place in the ranking	610	108
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Laptop
Power efficiency	9.35	59.24
Architecture codename	Rocket Lake (2021)	Dragon Range-HX (Zen 4) (2023−2024)
Release date	16 March 2021 (3 years ago)	4 January 2023 (1 year ago)

Detailed specifications

Core i5-11600KF and Ryzen 9 7945HX 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	6 (Hexa-Core)	16 (Hexadeca-Core)
Threads	12	32
Base clock speed	3.9 GHz	2.5 GHz
Boost clock speed	4.9 GHz	5.4 GHz
Bus rate	8 GT/s	no data
L1 cache	64K (per core)	64K (per core)
L2 cache	256K (per core)	1 MB (per core)
L3 cache	12 MB (shared)	64 MB (shared)
Chip lithography	14 nm	CCD = 5 nm, I/O = 6 nm
Die size	no data	2x 71 mm²
Maximum core temperature	100 °C	100 °C
Maximum case temperature (TCase)	72 °C	no data
Number of transistors	no data	13,140 million
64 bit support	+	+
Windows 11 compatibility	+	+
Unlocked multiplier	+	+

Compatibility

Information on Core i5-11600KF and Ryzen 9 7945HX 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	FCLGA1200	FL1
Power consumption (TDP)	125 Watt	55 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-11600KF and Ryzen 9 7945HX. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512	MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, AVX-512, BMI2, ABM, FMA, ADX, SMEP, SMAP, SMT, CPB, AES-NI, RDRAND, RDSEED, SHA, SME
AES-NI	+	+
FMA	-	+
AVX	+	+
Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	no data
TSX	+	-
Idle States	+	no data
Thermal Monitoring	+	-
Turbo Boost Max 3.0	-	no data
Precision Boost 2	no data	+
Deep Learning Boost	+	-

Security technologies

Core i5-11600KF and Ryzen 9 7945HX technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	no data
EDB	+	no data
Secure Key	+	no data
Identity Protection	+	-
SGX	-	no data
OS Guard	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-11600KF and Ryzen 9 7945HX are enumerated here.

AMD-V	-	+
VT-d	+	no data
VT-x	+	no data
EPT	+	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-11600KF and Ryzen 9 7945HX. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-3200	DDR5
Maximum memory size	128 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	50 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

AMD Radeon 610M

Peripherals

Specifications and connection of peripherals supported by Core i5-11600KF and Ryzen 9 7945HX.

PCIe version	4.0	5.0
PCI Express lanes	20	28

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.

i5-11600KF 12.82

Ryzen 9 7945HX 35.73
+179%

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.

i5-11600KF 19620

Ryzen 9 7945HX 54681
+179%

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

i5-11600KF 2238

Ryzen 9 7945HX 2733
+22.1%

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

i5-11600KF 8763

Ryzen 9 7945HX 15878
+81.2%

Gaming performance

Pros & cons summary

Performance score	12.82	35.73
Recency	16 March 2021	4 January 2023
Physical cores	6	16
Threads	12	32
Power consumption (TDP)	125 Watt	55 Watt

Ryzen 9 7945HX has a 178.7% higher aggregate performance score, an age advantage of 1 year, 166.7% more physical cores and 166.7% more threads, and 127.3% lower power consumption.

The Ryzen 9 7945HX is our recommended choice as it beats the Core i5-11600KF in performance tests.

Note that Core i5-11600KF is a desktop processor while Ryzen 9 7945HX is a notebook one.

Should you still have questions on choice between Core i5-11600KF and Ryzen 9 7945HX, ask them in Comments section, and we shall answer.