Ryzen 9 7845HX vs Pentium E5400

Primary details

Comparing Pentium E5400 and Ryzen 9 7845HX processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	2676	135
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	8.46	no data
Market segment	Desktop processor	Laptop
Architecture codename	Wolfdale (2008−2010)	Dragon Range-HX (Zen 4)
Release date	January 2009 (15 years ago)	4 January 2023 (1 year ago)
Launch price (MSRP)	$55	no data
Current price	$9.49 (0.2x MSRP)	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Pentium E5400 and Ryzen 9 7845HX 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)	12 (Dodeca-Core)
Threads	2	24
Base clock speed	2.7 GHz	3 GHz
Boost clock speed	2.7 GHz	5.2 GHz
L1 cache	64 KB (per core)	64K (per core)
L2 cache	2 MB (shared)	1 MB (per core)
L3 cache	0 KB	64 MB (shared)
Chip lithography	45 nm	CCD = 5 nm, I/O = 6 nm
Die size	82 mm2	2x 71 mm2
Maximum core temperature	74 °C	100 °C
Number of transistors	228 million	13,140 million
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	No	Yes
VID voltage range	0.85V-1.3625V	no data

Compatibility

Information on Pentium E5400 and Ryzen 9 7845HX 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	LGA775	FL1
Power consumption (TDP)	65 Watt	55 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium E5400 and Ryzen 9 7845HX. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	DDR5-5200 RAM, PCIe 5, 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	no data	+
AVX	no data	+
Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	-	no data
Hyper-Threading Technology	-	no data
Idle States	+	no data
Thermal Monitoring	+	no data
Demand Based Switching	-	no data
Status	Discontinued	no data

Security technologies

Pentium E5400 and Ryzen 9 7845HX 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 Pentium E5400 and Ryzen 9 7845HX are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium E5400 and Ryzen 9 7845HX. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

DDR1, DDR2, DDR3

DDR5

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 Pentium E5400 and Ryzen 9 7845HX.

PCIe version	no data	5.0
PCI Express lanes	no data	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.

Ryzen 9 7845HX outperforms Pentium E5400 by 4590% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	0.63	29.55
Physical cores	2	12
Threads	2	24
Power consumption (TDP)	65 Watt	55 Watt

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Should you still have questions on choice between Pentium E5400 and Ryzen 9 7845HX, ask them in Comments section, and we shall answer.

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