Xeon 6979P vs Athlon X4 840

Primary details

Comparing Athlon X4 840 and Xeon 6979P processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1890	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Server
Series	4x Athlon	no data
Power efficiency	3.04	no data
Architecture codename	Kaveri (2014−2015)	Granite Rapids (2024)
Release date	August 2014 (10 years ago)	24 September 2024 (less than a year ago)

Detailed specifications

Athlon X4 840 and Xeon 6979P 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)	120
Threads	4	240
Base clock speed	3.1 GHz	2.1 GHz
Boost clock speed	3.8 GHz	3.9 GHz
L1 cache	256K	112 KB (per core)
L2 cache	4 MB	2 MB (per core)
L3 cache	no data	504 MB (shared)
Chip lithography	28 nm	5 nm
Die size	245 mm2	no data
Maximum case temperature (TCase)	72 °C	80 °C
Number of transistors	2,411 million	no data
64 bit support	+	+
Windows 11 compatibility	-	no data
Unlocked multiplier	+	-

Compatibility

Information on Athlon X4 840 and Xeon 6979P 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	2
Socket	Socket FM2+	7529
Power consumption (TDP)	65 watt	500 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Athlon X4 840 and Xeon 6979P. You'll probably need this information if you require some particular technology.

AES-NI	+	+
FMA	+	-
AVX	+	+
Enhanced SpeedStep (EIST)	no data	+
TSX	-	+

Security technologies

Athlon X4 840 and Xeon 6979P technologies aimed at improving security, for example, by protecting against hacks.

TXT

no data

+

Virtualization technologies

Virtual machine speed-up technologies supported by Athlon X4 840 and Xeon 6979P are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Athlon X4 840 and Xeon 6979P. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

DDR3

DDR5

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

N/A

Peripherals

Specifications and connection of peripherals supported by Athlon X4 840 and Xeon 6979P.

PCIe version	3.0	5.0
PCI Express lanes	16	96

Pros & cons summary

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Recency	on August 2014	24 September 2024
Physical cores	4	120
Threads	4	240
Chip lithography	28 nm	5 nm
Power consumption (TDP)	65 Watt	500 Watt

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