Intel Xeon L5420 vs L5335

older Released March, 2008

Intel Xeon L5420

2.5 GHz
Quad core

Front view of Intel Xeon L5420

5.1 Out of 10

Reasons to buy the Intel Xeon L5420

	Much more l2 cache 12 MB		Much higher clock speed 2.5 GHz
	Much better overclocked clock speed (Air) 3.67 GHz		Much more l2 cache per core 3 MB/core

VS

older Released August, 2007

Intel Xeon L5335

2 GHz
Quad core

Front view of Intel Xeon L5335

5 Out of 10

Reasons to buy the L5335

Supports trusted computing

Yes

	Performance
	Benchmark performance using all cores
Xeon L5420 5.4 Xeon L5335 5.3 Xeon E5335 5.2
PCMark 8 Home 3.0 Accelerated, PassMark and 1 more

	Single-core Performance
	Individual core benchmark performance
Xeon L5420 7.6 Xeon L5335 7.2 Xeon E5335 7.2
PassMark (Single Core), Geekbench 3 Single Core and 1 more

	Integrated Graphics
	Integrated GPU performance for graphics
Xeon L5420 n.d. Xeon L5335 n.d. Xeon E5335 n.d.
Sky Diver and Cloud Gate

	Integrated Graphics (OpenCL)
	Integrated GPU performance for parallel computing
Xeon L5420 0.0 Xeon L5335 0.0 Xeon E5335 0.0
CompuBench 1.5 Bitcoin mining and 4 more

	Performance per Watt
	How efficiently does the processor use electricity?
Xeon L5420 5.1 Xeon L5335 5.1 Xeon E5335 5.0
Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

	Value
	Are you paying a premium for performance?
Xeon L5420 n.d. Xeon L5335 n.d. Xeon E5335 n.d.
Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

No winner declared

Too close to call

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VS

Intel Xeon L5420

Front view of Intel Xeon L5420

Front view of Intel Xeon L5335

Intel Xeon L5335

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Front view of Intel Xeon L5420

Reasons to consider the
Intel Xeon L5420

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Much more l2 cache

12 MB

vs

8 MB

50% more l2 cache; more data can be stored in the l2 cache for quick access later

Much higher clock speed

2.5 GHz

vs

2 GHz

25% higher clock speed

Much better overclocked clock speed (Air)

3.67 GHz

vs

2 GHz

Around 85% better overclocked clock speed (Air)

Much more l2 cache per core

3 MB/core

vs

2 MB/core

50% more l2 cache per core

Newer manufacturing process

45 nm

vs

65 nm

A newer manufacturing process allows for a more powerful, yet cooler running processor

Much better overclocked clock speed (Water)

3.85 GHz

vs

2 GHz

Around 95% better overclocked clock speed (Water)

Newer

Mar, 2008

vs

Aug, 2007

Release date 7 months later

Front view of Intel Xeon L5335

Reasons to consider the
Intel Xeon L5335

Report a correction

Supports trusted computing

Yes

vs

No

Somewhat common; Allows for safer, more reliable computing

GeekBench 3 (Multi-core) Data courtesy Primate Labs

4,968

7,112

GeekBench 3 (Single core) Data courtesy Primate Labs

1,380

1,088

GeekBench 3 (AES single core) Data courtesy Primate Labs

107,200 MB/s

81,900 MB/s

PassMark Data courtesy Passmark

3,506

2,756

PassMark (Single Core)

1,043

800

summary	Xeon L5420	vs	L5335
Clock speed	2.5 GHz		2 GHz
Cores	Quad core		Quad core
Socket type
LGA 771
features
Has a NX bit	Yes		Yes
Supports trusted computing	No		Yes
Has virtualization support	Yes		Yes
Instruction set extensions
SSE2
MMX
SSE3
SSE
SSE4.1
Supports dynamic frequency scaling	Yes		Yes
power consumption
TDP	50W		50W
Annual home energy cost	12.04 $/year		12.04 $/year
Annual commercial energy cost	43.8 $/year		43.8 $/year
Performance per watt	2.75 pt/W		2.52 pt/W
Typical power consumption	40.63W		40.63W
bus
Architecture	FSB		FSB
Number of links	1		1
Clock speed	1,333 MHz		1,333 MHz

details	Xeon L5420	vs	L5335
Architecture	x86-64		x86-64
Threads	4		4
L2 cache	12 MB		8 MB
L2 cache per core	3 MB/core		2 MB/core
Manufacture process	45 nm		65 nm
Transistor count	820,000,000		582,000,000
Max CPUs	2		2
Clock multiplier	7		6
Voltage range	0.85 - 1.35V		1.1 - 1.25V
Operating temperature	Unknown - 57°C		Unknown - 60°C
overclocking
Overclocked clock speed	3.67 GHz		2 GHz
Overclocked clock speed (Water)	3.85 GHz		2 GHz
Overclocked clock speed (Air)	3.67 GHz		2 GHz
integrated graphics
GPU	None		None
Label	N/A		N/A
Latest DirectX	N/A		N/A
Number of displays supported	N/A		N/A
GPU clock speed	N/A		N/A
Turbo clock speed	N/A		N/A
3DMark06	N/A		N/A

Intel Xeon L5420

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Intel Xeon L5335

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