Phenom II X4 X920 BE vs Xeon E3-1245 v2

Primary details

Comparing Xeon E3-1245 v2 and Phenom II X4 X920 BE processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1336	2059
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	1.77	no data
Market segment	Server	Laptop
Series	no data	4x AMD Phenom II
Architecture codename	Ivy Bridge (2012−2013)	Champlain (2010−2011)
Release date	14 May 2012 (12 years ago)	12 May 2010 (14 years ago)
Launch price (MSRP)	$462	no data
Current price	$235 (0.5x MSRP)	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon E3-1245 v2 and Phenom II X4 X920 BE 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	4 (Quad-Core)	4 (Quad-Core)
Threads	8	4
Base clock speed	3.4 GHz	no data
Boost clock speed	3.8 GHz	2.3 GHz
Bus support	no data	3600 MHz
L1 cache	64 KB (per core)	256 KB
L2 cache	256 KB (per core)	2 MB
L3 cache	8 MB (shared)	no data
Chip lithography	22 nm	45 nm
Die size	160 mm2	no data
Number of transistors	1,400 million	no data
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	No

Compatibility

Information on Xeon E3-1245 v2 and Phenom II X4 X920 BE 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	no data
Socket	FCLGA1155	S1
Power consumption (TDP)	77 Watt	45 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E3-1245 v2 and Phenom II X4 X920 BE. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX	integrated DDR3-1333 memory controller, HyperTransport 3.0, Enhanced Virus Protection, AMD64, SSE4A, unlocked multiplier
AES-NI	+	no data
AVX	+	no data
VirusProtect	no data	+
Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	no data
TSX	-	no data
Idle States	+	no data
Thermal Monitoring	+	no data
Flex Memory Access	+	no data
Demand Based Switching	+	no data
FDI	+	no data
Fast Memory Access	+	no data
Status	Discontinued	no data

Security technologies

Xeon E3-1245 v2 and Phenom II X4 X920 BE technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	no data
EDB	+	no data
Identity Protection	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E3-1245 v2 and Phenom II X4 X920 BE 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 E3-1245 v2 and Phenom II X4 X920 BE. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR3
Maximum memory size	32.77 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	25.6 GB/s	no data
ECC memory support	+	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel HD P4000	no data
Quick Sync Video	+	no data
Clear Video HD	+	no data
Graphics max frequency	1.25 GHz	no data
InTru 3D	+	no data

Graphics interfaces

Available interfaces and connections of Xeon E3-1245 v2 and Phenom II X4 X920 BE integrated GPUs.

Number of displays supported

3

no data

Peripherals

Specifications and connection of peripherals supported by Xeon E3-1245 v2 and Phenom II X4 X920 BE.

PCIe version

3.0

no data

Pros & cons summary

---

Performance score	4.09	1.50
Recency	14 May 2012	12 May 2010
Threads	8	4
Chip lithography	22 nm	45 nm
Power consumption (TDP)	77 Watt	45 Watt

---

Should you still have questions on choice between Xeon E3-1245 v2 and Phenom II X4 X920 BE, 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.

---