Athlon 750 vs Xeon E5503

Primary details

Comparing Xeon E5503 and Athlon 750 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2874	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Server	Desktop processor
Power efficiency	0.60	no data
Architecture codename	Gainestown (2009−2010)	Thunderbird (1999−2000)
Release date	16 March 2010 (14 years ago)	29 November 1999 (24 years ago)
Launch price (MSRP)	$287	$799

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon E5503 and Athlon 750 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)	1 (Single-Core)
Threads	2	1
Base clock speed	2 GHz	no data
Boost clock speed	2 GHz	0.75 GHz
L1 cache	64 KB (per core)	128 KB
L2 cache	256 KB (per core)	512 KB
L3 cache	4 MB (shared)	0 KB
Chip lithography	45 nm	180 nm
Die size	263 mm2	102 mm2
Maximum core temperature	76 °C	no data
Maximum case temperature (TCase)	no data	70 °C
Number of transistors	731 million	22 million
64 bit support	+	-
Windows 11 compatibility	-	-

Compatibility

Information on Xeon E5503 and Athlon 750 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	A
Power consumption (TDP)	80 Watt	35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5503 and Athlon 750. 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
PAE	40 Bit	no data

Security technologies

Xeon E5503 and Athlon 750 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 E5503 and Athlon 750 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5503 and Athlon 750. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR1
Maximum memory size	144 GB	no data
Max memory channels	3	no data
Maximum memory bandwidth	19.2 GB/s	no data
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

N/A

Peripherals

Specifications and connection of peripherals supported by Xeon E5503 and Athlon 750.

PCIe version

2.0

no data

Pros & cons summary

---

Recency	16 March 2010	29 November 1999
Physical cores	2	1
Threads	2	1
Chip lithography	45 nm	180 nm
Power consumption (TDP)	80 Watt	35 Watt

---

Should you still have questions on choice between Xeon E5503 and Athlon 750, 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.

---