Phenom II X4 975 BE vs Core 2 Duo L7700

Primary details

Comparing Core 2 Duo L7700 and Phenom II X4 975 BE 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	Laptop	Desktop processor
Series	Core 2 Duo	no data
Architecture codename	Merom (2006−2008)	Deneb (2009−2011)
Release date	no data	4 January 2011 (13 years ago)

Detailed specifications

Core 2 Duo L7700 and Phenom II X4 975 BE 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	2 (Dual-core)	4 (Quad-Core)
Threads	2	4
Base clock speed	1.8 GHz	3.6 GHz
Boost clock speed	1.8 GHz	3.6 GHz
Bus rate	800 MHz	no data
L1 cache	no data	128 KB (per core)
L2 cache	no data	512 KB (per core)
L3 cache	4 MB L2 Cache	6 MB (shared)
Chip lithography	65 nm	45 nm
Die size	no data	258 mm2
Maximum core temperature	100 °C	no data
Number of transistors	no data	758 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	-	+
VID voltage range	0.9V-1.2V	no data

Compatibility

Information on Core 2 Duo L7700 and Phenom II X4 975 BE 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	no data	1
Socket	no data	AM3
Power consumption (TDP)	17 Watt	125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo L7700 and Phenom II X4 975 BE. You'll probably need this information if you require some particular technology.

Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	-	no data
Hyper-Threading Technology	-	no data
Demand Based Switching	-	no data
FSB parity	-	no data
Status	Discontinued	no data

Security technologies

Core 2 Duo L7700 and Phenom II X4 975 BE 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 Duo L7700 and Phenom II X4 975 BE are enumerated here.

AMD-V	-	+
VT-x	+	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Duo L7700 and Phenom II X4 975 BE. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

no data

DDR3

Peripherals

Specifications and connection of peripherals supported by Core 2 Duo L7700 and Phenom II X4 975 BE.

PCIe version

no data

2.0

Pros & cons summary

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Physical cores	2	4
Threads	2	4
Chip lithography	65 nm	45 nm
Power consumption (TDP)	17 Watt	125 Watt

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Should you still have questions on choice between Core 2 Duo L7700 and Phenom II X4 975 BE, ask them in Comments section, and we shall answer.

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