Ryzen 9 7945HX vs i5-1155G7

Primary details

Comparing Core i5-1155G7 and Ryzen 9 7945HX processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1049	108
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Tiger Lake	no data
Power efficiency	21.49	59.22
Architecture codename	Tiger Lake-UP3 (2020−2021)	Dragon Range-HX (Zen 4) (2023−2024)
Release date	31 May 2021 (3 years ago)	4 January 2023 (1 year ago)

Detailed specifications

Core i5-1155G7 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	4 (Quad-Core)	16 (Hexadeca-Core)
Threads	8	32
Base clock speed	2.5 GHz	2.5 GHz
Boost clock speed	4.5 GHz	5.4 GHz
Bus rate	4 GT/s	no data
L1 cache	96K (per core)	64K (per core)
L2 cache	1.25 MB (per core)	1 MB (per core)
L3 cache	8 MB (shared)	64 MB (shared)
Chip lithography	10 nm SuperFin	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 i5-1155G7 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	FCBGA1449	FL1
Power consumption (TDP)	28 Watt	55 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-1155G7 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
Speed Shift	+	no data
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	no data
TSX	+	-
Idle States	+	no data
Thermal Monitoring	+	-
Precision Boost 2	no data	+
Deep Learning Boost	+	-

Security technologies

Core i5-1155G7 and Ryzen 9 7945HX technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	no data
SGX	-	no data
OS Guard	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-1155G7 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 i5-1155G7 and Ryzen 9 7945HX. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR5
Maximum memory size	64 GB	no data
Max memory channels	2	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel® Iris® Xe Graphics eligible	AMD Radeon 610M
Quick Sync Video	+	-
Clear Video HD	+	no data
Graphics max frequency	1.35 GHz	no data
Execution Units	80	no data

Graphics interfaces

Available interfaces and connections of Core i5-1155G7 and Ryzen 9 7945HX integrated GPUs.

Number of displays supported

4

no data

Graphics image quality

Maximum display resolutions supported by Core i5-1155G7 and Ryzen 9 7945HX integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4	4096x2304@60Hz	no data
Max resolution over eDP	4096x2304@60Hz	no data
Max resolution over DisplayPort	7680x4320@60Hz	no data

Graphics API support

APIs supported by Core i5-1155G7 and Ryzen 9 7945HX integrated GPUs, sometimes API versions are included.

DirectX	12.1	no data
OpenGL	4.6	no data

Peripherals

Specifications and connection of peripherals supported by Core i5-1155G7 and Ryzen 9 7945HX.

PCIe version	4.0	5.0
PCI Express lanes	16	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.

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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.

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Pros & cons summary

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Performance score	6.60	35.72
Recency	31 May 2021	4 January 2023
Physical cores	4	16
Threads	8	32
Power consumption (TDP)	28 Watt	55 Watt

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Should you still have questions on choice between Core i5-1155G7 and Ryzen 9 7945HX, ask them in Comments section, and we shall answer.

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