Phenom II X4 970 BE vs Pentium G840

Primary details

Comparing Pentium G840 and Phenom II X4 970 BE processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2604	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	4.61	no data
Market segment	Desktop processor	Desktop processor
Power efficiency	1.16	no data
Architecture codename	Sandy Bridge (2011−2013)	Deneb (2009−2011)
Release date	22 May 2011 (13 years ago)	21 September 2010 (14 years ago)
Launch price (MSRP)	$60	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Pentium G840 and Phenom II X4 970 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	2 (Dual-core)	4 (Quad-Core)
Threads	2	4
Base clock speed	2.8 GHz	3.5 GHz
Boost clock speed	2.8 GHz	3.5 GHz
L1 cache	64 KB (per core)	128 KB (per core)
L2 cache	256 KB (per core)	512 KB (per core)
L3 cache	3 MB (shared)	6 MB (shared)
Chip lithography	32 nm	45 nm
Die size	131 mm2	258 mm2
Maximum core temperature	69 °C	no data
Number of transistors	504 million	758 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	-	+

Compatibility

Information on Pentium G840 and Phenom II X4 970 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	1
Socket	FCLGA1155	AM3
Power consumption (TDP)	65 Watt	125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium G840 and Phenom II X4 970 BE. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2	no data
AES-NI	+	-
AVX	+	-
Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	-	no data
Hyper-Threading Technology	-	no data
Idle States	+	no data
Thermal Monitoring	+	-
Flex Memory Access	+	no data
FDI	+	no data
Fast Memory Access	+	no data

Security technologies

Pentium G840 and Phenom II X4 970 BE 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 Pentium G840 and Phenom II X4 970 BE 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 Pentium G840 and Phenom II X4 970 BE. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR3
Maximum memory size	32 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	21 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel® HD Graphics for 2nd Generation Intel® Processors	no data
Graphics max frequency	1.1 GHz	no data

Graphics interfaces

Available interfaces and connections of Pentium G840 and Phenom II X4 970 BE integrated GPUs.

Number of displays supported

2

no data

Peripherals

Specifications and connection of peripherals supported by Pentium G840 and Phenom II X4 970 BE.

PCIe version

2.0

2.0

Pros & cons summary

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Recency	22 May 2011	21 September 2010
Physical cores	2	4
Threads	2	4
Chip lithography	32 nm	45 nm
Power consumption (TDP)	65 Watt	125 Watt

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