Athlon II X4 631 vs Core 2 Duo SP9400

Primary details

Comparing Core 2 Duo SP9400 and Athlon II X4 631 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	2727	2136
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	6.60
Market segment	Laptop	Desktop processor
Series	Intel Core 2 Duo	no data
Architecture codename	Penryn (2008−2011)	Llano (2011−2012)
Release date	20 August 2008 (15 years ago)	17 August 2011 (12 years ago)
Launch price (MSRP)	$284	no data
Current price	$284 (1x MSRP)	$22

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core 2 Duo SP9400 and Athlon II X4 631 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	2.4 GHz	2.6 GHz
Boost clock speed	2.4 GHz	2.6 GHz
Bus support	1066 MHz	no data
L1 cache	no data	128 KB (per core)
L2 cache	6 MB	1 MB (per core)
L3 cache	6 MB L2 Cache	0 KB
Chip lithography	45 nm	32 nm
Die size	107 mm2	228 mm2
Maximum core temperature	105 °C	no data
Number of transistors	410 Million	1,178 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	No

Compatibility

Information on Core 2 Duo SP9400 and Athlon II X4 631 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	BGA956	FM1
Power consumption (TDP)	25 Watt	100 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo SP9400 and Athlon II X4 631. 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
Idle States	-	no data
Demand Based Switching	-	no data
FSB parity	-	no data
Status	Discontinued	no data

Security technologies

Core 2 Duo SP9400 and Athlon II X4 631 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 SP9400 and Athlon II X4 631 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Duo SP9400 and Athlon II X4 631. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

no data

DDR3

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

---

Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

Athlon II X4 631 outperforms Core 2 Duo SP9400 by 153% based on our aggregate benchmark results.

---

Pros & cons summary

---

Performance score	0.55	1.39
Recency	20 August 2008	17 August 2011
Physical cores	2	4
Threads	2	4
Chip lithography	45 nm	32 nm
Power consumption (TDP)	25 Watt	100 Watt

---

Should you still have questions on choice between Core 2 Duo SP9400 and Athlon II X4 631, 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.

---