Ryzen Threadripper 1977X vs Core 2 Quad Q8400s

Primary details

Comparing Core 2 Quad Q8400s and Ryzen Threadripper 1977X processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	not rated	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Desktop processor
Architecture codename	Yorkfield (2007−2009)	Zen (2017−2020)
Release date	April 2009 (15 years ago)	no data
Current price	$99	no data

Detailed specifications

Core 2 Quad Q8400s and Ryzen Threadripper 1977X 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)	14 (Tetradeca-Core)
Threads	4	no data
Base clock speed	2.66 GHz	no data
Boost clock speed	2.67 GHz	3.5 GHz
L1 cache	64K (per core)	128 KB (per core)
L2 cache	4 MB (shared)	512 KB (per core)
L3 cache	0 KB	32768 KB
Chip lithography	45 nm	14 nm
Die size	2x 81 mm2	no data
Maximum core temperature	76 °C	no data
Maximum case temperature (TCase)	76 °C	no data
Number of transistors	456 million	no data
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	Yes
VID voltage range	0.85V-1.3625V	no data

Compatibility

Information on Core 2 Quad Q8400s and Ryzen Threadripper 1977X 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	FCLGA775,LGA775	SP3r2
Power consumption (TDP)	65 Watt	155 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Quad Q8400s and Ryzen Threadripper 1977X. You'll probably need this information if you require some particular technology.

AES-NI	-	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

Core 2 Quad Q8400s and Ryzen Threadripper 1977X 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 2 Quad Q8400s and Ryzen Threadripper 1977X are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Quad Q8400s and Ryzen Threadripper 1977X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

DDR1, DDR2, DDR3

DDR4

Pros & cons summary

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Physical cores	4	14
Chip lithography	45 nm	14 nm
Power consumption (TDP)	65 Watt	155 Watt

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Should you still have questions on choice between Core 2 Quad Q8400s and Ryzen Threadripper 1977X, ask them in Comments section, and we shall answer.

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