Ryzen 9 7940HS vs i7-660UM

Place in the ranking	2610	308
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Core i7	no data
Power efficiency	4.26	51.62
Architecture codename	Arrandale (2010−2011)	Phoenix-HS (Zen 4) (2023)
Release date	24 May 2010 (14 years ago)	January 2023 (1 year ago)
Launch price (MSRP)	$317	no data

Detailed specifications

Core i7-660UM and Ryzen 9 7940HS 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	2 (Dual-core)	8 (Octa-Core)
Threads	4	16
Base clock speed	1.33 GHz	4 GHz
Boost clock speed	2.4 GHz	5.2 GHz
Bus type	DMI 1.0	no data
Bus rate	1 × 2.5 GT/s	no data
Multiplier	10	no data
L1 cache	64 KB (per core)	64K (per core)
L2 cache	256 KB (per core)	1 MB (per core)
L3 cache	4 MB (shared)	16 MB (shared)
Chip lithography	32 nm	4 nm
Die size	81+144 mm²	178 mm²
Maximum core temperature	105 °C	100 °C
Number of transistors	382+177 Million	25,000 million
64 bit support	+	+
Windows 11 compatibility	-	+

Compatibility

Information on Core i7-660UM and Ryzen 9 7940HS 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 (Uniprocessor)	1
Socket	BGA1288	FP8
Power consumption (TDP)	18 Watt	35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-660UM and Ryzen 9 7940HS. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2	Ryzen AI, 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	-	+
vPro	+	no data
Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	+	no data
Hyper-Threading Technology	+	no data
Idle States	+	no data
Thermal Monitoring	+	-
Flex Memory Access	+	no data
PAE	36 Bit	no data
FDI	+	no data
Fast Memory Access	+	no data
Precision Boost 2	no data	+

Security technologies

Core i7-660UM and Ryzen 9 7940HS technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	no data
EDB	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-660UM and Ryzen 9 7940HS 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 i7-660UM and Ryzen 9 7940HS. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3-800	DDR5
Maximum memory size	8 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	12.799 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare	Intel HD Graphics for Previous Generation Intel Processors	AMD Radeon 780M ( - 2800 MHz)
Clear Video	+	no data
Clear Video HD	+	no data
Graphics max frequency	500 MHz	no data

Graphics interfaces

Available interfaces and connections of Core i7-660UM and Ryzen 9 7940HS integrated GPUs.

Number of displays supported

no data

Peripherals

Specifications and connection of peripherals supported by Core i7-660UM and Ryzen 9 7940HS.

PCIe version	2.0	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.

i7-660UM 0.81

Ryzen 9 7940HS 19.09
+2257%

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.

i7-660UM 1284

Ryzen 9 7940HS 30327
+2262%

Gaming performance

Pros & cons summary

Performance score	0.81	19.09
Integrated graphics card	0.77	18.30
Physical cores	2	8
Threads	4	16
Chip lithography	32 nm	4 nm
Power consumption (TDP)	18 Watt	35 Watt

i7-660UM has 94.4% lower power consumption.

Ryzen 9 7940HS, on the other hand, has a 2256.8% higher aggregate performance score, 2276.6% faster integrated GPU, 300% more physical cores and 300% more threads, and a 700% more advanced lithography process.

The Ryzen 9 7940HS is our recommended choice as it beats the Core i7-660UM in performance tests.

Should you still have questions on choice between Core i7-660UM and Ryzen 9 7940HS, ask them in Comments section, and we shall answer.