Ryzen Threadripper 3980X vs Xeon X5660

Primary details

Comparing Xeon X5660 and Ryzen Threadripper 3980X processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1466	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	3.05	no data
Market segment	Server	Desktop processor
Series	no data	AMD Ryzen Threadripper
Power efficiency	3.77	no data
Architecture codename	Westmere-EP (2010−2011)	Matisse (2019−2020)
Release date	16 March 2010 (14 years ago)	14 November 2019 (4 years ago)
Launch price (MSRP)	$33	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon X5660 and Ryzen Threadripper 3980X 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)	48 (Octatetraconta-Core)
Threads	12	96
Base clock speed	2.8 GHz	3.5 GHz
Boost clock speed	3.2 GHz	4.5 GHz
Multiplier	no data	32
L1 cache	64 KB (per core)	3 MB
L2 cache	256 KB (per core)	24 MB
L3 cache	12 MB (shared)	128 MB
Chip lithography	32 nm	7 nm, 12 nm
Die size	239 mm2	no data
Maximum core temperature	81 °C	no data
Number of transistors	1,170 million	19,200 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	-	+

Compatibility

Information on Xeon X5660 and Ryzen Threadripper 3980X 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	TR4
Power consumption (TDP)	95 Watt	280 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon X5660 and Ryzen Threadripper 3980X. You'll probably need this information if you require some particular technology.

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

Security technologies

Xeon X5660 and Ryzen Threadripper 3980X 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 X5660 and Ryzen Threadripper 3980X 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 Xeon X5660 and Ryzen Threadripper 3980X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR4 Eight-channel
Maximum memory size	288 GB	512 GB
Max memory channels	3	4
Maximum memory bandwidth	32 GB/s	102.403 GB/s
ECC memory support	+	+

Peripherals

Specifications and connection of peripherals supported by Xeon X5660 and Ryzen Threadripper 3980X.

PCIe version

2.0

no data

Pros & cons summary

---

Recency	16 March 2010	14 November 2019
Physical cores	6	48
Threads	12	96
Chip lithography	32 nm	7 nm
Power consumption (TDP)	95 Watt	280 Watt

---

Should you still have questions on choice between Xeon X5660 and Ryzen Threadripper 3980X, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.

---