Athlon 950 vs Xeon W3503

Primary details

Comparing Xeon W3503 and Athlon 950 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2717	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	4.15	no data
Market segment	Server	Desktop processor
Power efficiency	0.51	no data
Architecture codename	Bloomfield (2008−2010)	Thunderbird (1999−2000)
Release date	30 March 2009 (15 years ago)	6 March 2000 (24 years ago)
Launch price (MSRP)	$65	$999

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon W3503 and Athlon 950 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	2.4 GHz	no data
Boost clock speed	2.4 GHz	0.95 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 case temperature (TCase)	no data	70 °C
Number of transistors	731 million	22 million
64 bit support	+	-
Windows 11 compatibility	-	-
VID voltage range	0.8V-1.225V	no data

Compatibility

Information on Xeon W3503 and Athlon 950 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	1366	A
Power consumption (TDP)	130 Watt	62 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon W3503 and Athlon 950. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.2	no data
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	36 Bit	no data

Security technologies

Xeon W3503 and Athlon 950 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 W3503 and Athlon 950 are enumerated here.

VT-x	+	no data
EPT	+	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon W3503 and Athlon 950. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR1
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	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

N/A

N/A

Peripherals

Specifications and connection of peripherals supported by Xeon W3503 and Athlon 950.

PCIe version

2.0

no data

Pros & cons summary

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Recency	30 March 2009	6 March 2000
Physical cores	2	1
Threads	2	1
Chip lithography	45 nm	180 nm
Power consumption (TDP)	130 Watt	62 Watt

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