EPYC 7H12 vs Pentium D 950

Primary details

Comparing Pentium D 950 and EPYC 7H12 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	not rated	37
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	23.95
Market segment	Desktop processor	Server
Series	no data	AMD EPYC
Architecture codename	Presler (2006−2007)	Zen 2 (2019−2020)
Release date	16 January 2006 (18 years ago)	18 September 2019 (4 years ago)
Current price	$140	$1750

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Pentium D 950 and EPYC 7H12 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)	64 (Tetrahexaconta-Core)
Threads	2	128
Base clock speed	3.4 GHz	2.6 GHz
Boost clock speed	3.4 GHz	3.3 GHz
L1 cache	16 KB (per core)	96K (per core)
L2 cache	2 MB (per die)	512K (per core)
L3 cache	0 KB	256 MB (shared)
Chip lithography	65 nm	7 nm, 14 nm
Die size	2x 81 mm2	192 mm2
Maximum core temperature	C1+D0=63 °C, B1=69 °C	no data
Number of transistors	376 million	4,800 million
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	No	Yes
VID voltage range	1.2V-1.3375V	no data

Compatibility

Information on Pentium D 950 and EPYC 7H12 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 (Multiprocessor)
Socket	LGA775,PLGA775	TR4
Power consumption (TDP)	130 Watt	280 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium D 950 and EPYC 7H12. You'll probably need this information if you require some particular technology.

AES-NI	-	+
AVX	no data	+
Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	-	no data
Hyper-Threading Technology	-	no data
Idle States	+	no data
Thermal Monitoring	-	no data
Demand Based Switching	-	no data
PAE	32 Bit	no data
FSB parity	-	no data
Status	Discontinued	no data

Security technologies

Pentium D 950 and EPYC 7H12 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 D 950 and EPYC 7H12 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium D 950 and EPYC 7H12. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR1, DDR2, DDR3	DDR4 Eight-channel
Maximum memory size	no data	4 TiB
Max memory channels	no data	8
Maximum memory bandwidth	no data	204.763 GB/s
ECC memory support	-	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

On certain motherboards (Chipset feature)

no data

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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Pros & cons summary

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Recency	16 January 2006	18 September 2019
Physical cores	2	64
Threads	2	128
Chip lithography	65 nm	7 nm
Power consumption (TDP)	130 Watt	280 Watt

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Should you still have questions on choice between Pentium D 950 and EPYC 7H12, ask them in Comments section, and we shall answer.

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