Ryzen 3 3300X vs Xeon E5649

Primary details

Comparing Xeon E5649 and Ryzen 3 3300X processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1510	894
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	1.56	32.35
Market segment	Server	Desktop processor
Power efficiency	4.24	12.30
Architecture codename	Westmere-EP (2010−2011)	Matisse (Zen 2) (2019−2020)
Release date	14 February 2011 (13 years ago)	24 April 2020 (4 years ago)
Launch price (MSRP)	$45	$120

Cost-effectiveness evaluation

Performance per price, higher is better.

Ryzen 3 3300X has 1974% better value for money than Xeon E5649.

Detailed specifications

Xeon E5649 and Ryzen 3 3300X 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	6 (Hexa-Core)	4 (Quad-Core)
Threads	12	8
Base clock speed	2.53 GHz	3.8 GHz
Boost clock speed	2.93 GHz	4.3 GHz
L1 cache	64 KB (per core)	96K (per core)
L2 cache	256 KB (per core)	512K (per core)
L3 cache	12288 KB (shared)	16 MB (shared)
Chip lithography	32 nm	7 nm
Die size	239 mm2	74 mm2
Maximum core temperature	76 °C	no data
Maximum case temperature (TCase)	no data	95 °C
Number of transistors	1,170 million	3,800 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	-	+

Compatibility

Information on Xeon E5649 and Ryzen 3 3300X 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	AM4
Power consumption (TDP)	80 Watt	65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5649 and Ryzen 3 3300X. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.2	86x MMX(+), SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A,-64, AMD-V, AES, AVX, AVX2, FMA3, SHA, Precision Boost 2
AES-NI	+	+
AVX	-	+
Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	1.0	no data
Hyper-Threading Technology	+	no data
Idle States	+	no data
Demand Based Switching	+	no data
PAE	40 Bit	no data
Precision Boost 2	no data	+

Security technologies

Xeon E5649 and Ryzen 3 3300X 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 E5649 and Ryzen 3 3300X are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5649 and Ryzen 3 3300X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR4-3200
Maximum memory size	288 GB	no data
Max memory channels	3	no data
Maximum memory bandwidth	32 GB/s	no data
ECC memory support	+	-

Peripherals

Specifications and connection of peripherals supported by Xeon E5649 and Ryzen 3 3300X.

PCIe version	2.0	4.0
PCI Express lanes	no data	16

Synthetic benchmark performance

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

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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.

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Pros & cons summary

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Performance score	3.58	8.45
Recency	14 February 2011	24 April 2020
Physical cores	6	4
Threads	12	8
Chip lithography	32 nm	7 nm
Power consumption (TDP)	80 Watt	65 Watt

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Should you still have questions on choice between Xeon E5649 and Ryzen 3 3300X, ask them in Comments section, and we shall answer.

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