Turion X2 RM-77 vs Core i7-975

Primary details

Comparing Core i7-975 and Turion X2 RM-77 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1739	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.74	no data
Market segment	Desktop processor	Laptop
Series	Core i7 (Desktop)	2x AMD Turion
Architecture codename	Bloomfield (2008−2010)	Griffin (2008−2009)
Release date	June 2009 (15 years ago)	1 January 2009 (15 years ago)
Launch price (MSRP)	$476	no data
Current price	$250 (0.5x MSRP)	$25

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core i7-975 and Turion X2 RM-77 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)	2 (Dual-core)
Threads	8	2
Base clock speed	3.33 GHz	no data
Boost clock speed	3.6 GHz	2.3 GHz
Bus support	1333 MHz	4000 MHz
L1 cache	64 KB (per core)	0 MB
L2 cache	256 KB (per core)	1 MB
L3 cache	8 MB (shared)	0 KB
Chip lithography	45 nm	65 nm
Die size	263 mm2	no data
Maximum core temperature	68 °C	no data
Number of transistors	731 million	no data
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	Yes	No

Compatibility

Information on Core i7-975 and Turion X2 RM-77 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	FCLGA1366	Socket S1 (638)
Power consumption (TDP)	130 Watt	35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-975 and Turion X2 RM-77. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.2	MMX, SSE, SSE2, SSE3, Enhanced 3DNow!, NX bit, AMD64, PowerNow!, AMD Virtualization
AES-NI	-	no data
PowerNow	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	36 Bit	no data
Status	Discontinued	no data

Security technologies

Core i7-975 and Turion X2 RM-77 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 i7-975 and Turion X2 RM-77 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-975 and Turion X2 RM-77. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	no data
Maximum memory size	24 GB	no data
Max memory channels	3	no data
Maximum memory bandwidth	25.6 GB/s	no data
ECC memory support	-	no data

Pros & cons summary

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Physical cores	4	2
Threads	8	2
Chip lithography	45 nm	65 nm
Power consumption (TDP)	130 Watt	35 Watt

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Should you still have questions on choice between Core i7-975 and Turion X2 RM-77, ask them in Comments section, and we shall answer.

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