Ryzen Threadripper 1956X vs Xeon X5650

Primary details

Comparing Xeon X5650 and Ryzen Threadripper 1956X processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1413	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.25	no data
Market segment	Server	Desktop processor
Architecture codename	Westmere-EP (2010−2011)	Zen (2017−2020)
Release date	16 March 2010 (14 years ago)	no data
Launch price (MSRP)	$53	no data
Current price	$28 (0.5x MSRP)	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon X5650 and Ryzen Threadripper 1956X 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	6 (Hexa-Core)	12 (Dodeca-Core)
Threads	12	no data
Base clock speed	2.66 GHz	no data
Boost clock speed	3.06 GHz	3.2 GHz
L1 cache	64 KB (per core)	128 KB (per core)
L2 cache	256 KB (per core)	512 KB (per core)
L3 cache	12 MB (shared)	32768 KB
Chip lithography	32 nm	14 nm
Die size	239 mm2	no data
Maximum core temperature	81 °C	no data
Number of transistors	1,170 million	no data
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	Yes

Compatibility

Information on Xeon X5650 and Ryzen Threadripper 1956X 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	1
Socket	FCLGA1366,LGA1366	SP3r2
Power consumption (TDP)	95 Watt	125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon X5650 and Ryzen Threadripper 1956X. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.2	no data
AES-NI	+	no data
Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	1.0	no data
Hyper-Threading Technology	+	no data
Idle States	+	no data
Thermal Monitoring	-	no data
Demand Based Switching	+	no data
PAE	40 Bit	no data
Status	Discontinued	no data

Security technologies

Xeon X5650 and Ryzen Threadripper 1956X 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 X5650 and Ryzen Threadripper 1956X are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon X5650 and Ryzen Threadripper 1956X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR4
Maximum memory size	288 GB	no data
Max memory channels	3	no data
Maximum memory bandwidth	32 GB/s	no data
ECC memory support	+	no data

Peripherals

Specifications and connection of peripherals supported by Xeon X5650 and Ryzen Threadripper 1956X.

PCIe version

2.0

no data

Pros & cons summary

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Physical cores	6	12
Chip lithography	32 nm	14 nm
Power consumption (TDP)	95 Watt	125 Watt

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Should you still have questions on choice between Xeon X5650 and Ryzen Threadripper 1956X, ask them in Comments section, and we shall answer.

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