Atom Z650 vs Core i7-965

Primary details

Comparing Core i7-965 and Atom Z650 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1753	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	2.45	no data
Market segment	Desktop processor	Laptop
Series	no data	Intel Atom
Architecture codename	Bloomfield (2008−2010)	Lincroft (2010−2011)
Release date	November 2008 (15 years ago)	11 April 2011 (13 years ago)
Launch price (MSRP)	$1,509	no data
Current price	$150 (0.1x MSRP)	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core i7-965 and Atom Z650 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)	1 (Single-Core)
Threads	8	2
Base clock speed	3.2 GHz	1.2 GHz
Boost clock speed	3.46 GHz	1.2 GHz
Bus support	no data	400 MT/s
L1 cache	64 KB (per core)	64K (per core)
L2 cache	256 KB (per core)	512 KB (per core)
L3 cache	8 MB (shared)	0 KB
Chip lithography	45 nm	45 nm
Die size	263 mm2	65 mm2
Maximum core temperature	68 °C	90 °C
Number of transistors	731 million	140 million
64 bit support	+	-
Windows 11 compatibility	-	-
Unlocked multiplier	Yes	No

Compatibility

Information on Core i7-965 and Atom Z650 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 (Uniprocessor)
Socket	FCLGA1366	T-PBGA518
Power consumption (TDP)	130 Watt	3 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-965 and Atom Z650. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.2	Intel® SSE, Intel® SSE2, Intel® SSE3
AES-NI	-	no data
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	1.0	no data
Hyper-Threading Technology	+	+
Idle States	+	+
Thermal Monitoring	-	+
Demand Based Switching	-	no data
PAE	36 Bit	no data
Status	Discontinued	Discontinued

Security technologies

Core i7-965 and Atom Z650 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	no data
EDB	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-965 and Atom Z650 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-965 and Atom Z650. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR2
Maximum memory size	24 GB	2.93 GB
Max memory channels	3	1
Maximum memory bandwidth	25.6 GB/s	3.2 GB/s
ECC memory support	-	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

PowerVR SGX535

Graphics interfaces

Available interfaces and connections of Core i7-965 and Atom Z650 integrated GPUs.

LVDS

no data

+

Peripherals

Specifications and connection of peripherals supported by Core i7-965 and Atom Z650.

PCI support

no data

-

Pros & cons summary

---

Physical cores	4	1
Threads	8	2
Power consumption (TDP)	130 Watt	3 Watt

---

Should you still have questions on choice between Core i7-965 and Atom Z650, 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.

---