Xeon D-2899NT vs Pentium G645

Primary details

Comparing Pentium G645 and Xeon D-2899NT processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2533	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.06	no data
Market segment	Desktop processor	Server
Power efficiency	1.31	no data
Architecture codename	Sandy Bridge (2011−2013)	Ice Lake-D (2022−2023)
Release date	2 September 2012 (12 years ago)	14 December 2023 (less than a year ago)
Launch price (MSRP)	$80	$2,138

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Pentium G645 and Xeon D-2899NT 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)	22 (Docosa-Core)
Threads	2	44
Base clock speed	2.9 GHz	2.2 GHz
Boost clock speed	2.9 GHz	3.1 GHz
Bus rate	5 GT/s	no data
L1 cache	64 KB (per core)	80 KB (per core)
L2 cache	256 KB (per core)	1.25 MB (per core)
L3 cache	3 MB (shared)	30 MB (shared)
Chip lithography	32 nm	10 nm
Die size	131 mm2	no data
Maximum core temperature	69 °C	no data
Number of transistors	504 million	no data
64 bit support	+	+
Windows 11 compatibility	-	no data

Compatibility

Information on Pentium G645 and Xeon D-2899NT 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	FCBGA2579
Power consumption (TDP)	65 Watt	135 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium G645 and Xeon D-2899NT. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2	Intel® AVX-512
AES-NI	+	+
AVX	+	+
Enhanced SpeedStep (EIST)	+	+
QuickAssist	no data	+
Turbo Boost Technology	-	2.0
Hyper-Threading Technology	-	+
Idle States	+	no data
Thermal Monitoring	+	+
Flex Memory Access	+	no data
FDI	+	no data
Fast Memory Access	+	no data
Deep Learning Boost	-	+

Security technologies

Pentium G645 and Xeon D-2899NT technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	+
EDB	+	+
SGX	no data	Yes with Intel® SPS

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium G645 and Xeon D-2899NT are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium G645 and Xeon D-2899NT. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR4
Maximum memory size	32 GB	1 TB
Max memory channels	2	4
Maximum memory bandwidth	17 GB/s	no data
ECC memory support	-	+

Graphics specifications

General parameters of integrated GPUs, if any.

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

Graphics interfaces

Available interfaces and connections of Pentium G645 and Xeon D-2899NT integrated GPUs.

Number of displays supported

2

no data

Peripherals

Specifications and connection of peripherals supported by Pentium G645 and Xeon D-2899NT.

PCIe version	2.0	4.0
PCI Express lanes	no data	32
USB revision	no data	3.0
Max number of SATA 6 Gb/s Ports	no data	24
Number of USB ports	no data	4
Integrated LAN	no data	+

Pros & cons summary

---

Recency	2 September 2012	14 December 2023
Physical cores	2	22
Threads	2	44
Chip lithography	32 nm	10 nm
Power consumption (TDP)	65 Watt	135 Watt

---

Should you still have questions on choice between Pentium G645 and Xeon D-2899NT, 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.

---