Ryzen 9 7840HX vs Xeon E5345

Primary details

Comparing Xeon E5345 and Ryzen 9 7840HX processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2355	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.04	no data
Market segment	Server	Laptop
Series	no data	AMD Dragon Range (Zen 4, Ryzen 7045)
Power efficiency	1.40	no data
Architecture codename	Clovertown (2006−2007)	Dragon Range-HX (Zen 4) (2023−2024)
Release date	14 November 2006 (18 years ago)	17 January 2024 (less than a year ago)
Launch price (MSRP)	$851	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon E5345 and Ryzen 9 7840HX 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)	12 (Dodeca-Core)
Threads	4	24
Base clock speed	2.33 GHz	2.9 GHz
Boost clock speed	0.33 GHz	5.1 GHz
L1 cache	64 KB (per core)	768 KB
L2 cache	4 MB (per die)	12 MB
L3 cache	8 MB L2 Cache	64 MB
Chip lithography	65 nm	5 nm
Die size	2x 143 mm2	no data
Maximum core temperature	no data	100 °C
Maximum case temperature (TCase)	66 °C	no data
Number of transistors	582 million	9900 Million
64 bit support	+	+
VID voltage range	1V-1.5V	no data

Compatibility

Information on Xeon E5345 and Ryzen 9 7840HX 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	2	no data
Socket	LGA771,PLGA771	FL1
Power consumption (TDP)	80 Watt	55 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5345 and Ryzen 9 7840HX. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	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	-	no data
Hyper-Threading Technology	-	no data
Idle States	+	no data
Thermal Monitoring	+	-
Demand Based Switching	+	no data
PAE	32 Bit	no data
FSB parity	+	no data

Security technologies

Xeon E5345 and Ryzen 9 7840HX 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 Xeon E5345 and Ryzen 9 7840HX are enumerated here.

VT-x	+	no data
EPT	-	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5345 and Ryzen 9 7840HX. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

DDR2, DDR3 Depends on motherboard

DDR5

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

N/A

AMD Radeon 610M

Pros & cons summary

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Recency	14 November 2006	17 January 2024
Physical cores	4	12
Threads	4	24
Chip lithography	65 nm	5 nm
Power consumption (TDP)	80 Watt	55 Watt

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