Ryzen 9 7900 vs Xeon E-2146G

Primary details

Comparing Xeon E-2146G and Ryzen 9 7900 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	901	133
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	23.83	62.36
Market segment	Server	Desktop processor
Series	Intel Xeon E	no data
Power efficiency	9.87	44.78
Architecture codename	Coffee Lake-S WS (2018−2019)	Raphael (Zen4) (2022−2023)
Release date	12 July 2018 (6 years ago)	14 January 2023 (1 year ago)
Launch price (MSRP)	$317	$429

Cost-effectiveness evaluation

Performance per price, higher is better.

Ryzen 9 7900 has 162% better value for money than Xeon E-2146G.

Detailed specifications

Xeon E-2146G and Ryzen 9 7900 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	6 (Hexa-Core)	12 (Dodeca-Core)
Threads	12	24
Base clock speed	3.5 GHz	3.7 GHz
Boost clock speed	4.5 GHz	5.4 GHz
Bus type	DMI 3.0	no data
Bus rate	4 × 8 GT/s	no data
Multiplier	35	no data
L1 cache	384 KB	64K (per core)
L2 cache	1.5 MB	1 MB (per core)
L3 cache	12 MB (shared)	64 MB (shared)
Chip lithography	14 nm	5 nm
Die size	154 mm2	2x 71 mm2
Maximum core temperature	100 °C	95 °C
Maximum case temperature (TCase)	no data	47 °C
Number of transistors	no data	13,140 million
64 bit support	+	+
Windows 11 compatibility	+	+
Unlocked multiplier	-	+

Compatibility

Information on Xeon E-2146G and Ryzen 9 7900 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 (Uniprocessor)	1
Socket	FCLGA1151	AM5
Power consumption (TDP)	80 Watt	65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E-2146G and Ryzen 9 7900. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	5 nm, 0.650 - 1.475V
AES-NI	+	+
AVX	+	+
vPro	+	no data
Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	no data
TSX	+	-
Idle States	+	no data
Thermal Monitoring	+	-
Precision Boost 2	no data	+

Security technologies

Xeon E-2146G and Ryzen 9 7900 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	no data
EDB	+	no data
Secure Key	+	no data
MPX	+	-
SGX	Yes with Intel® ME	no data
OS Guard	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E-2146G and Ryzen 9 7900 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 Xeon E-2146G and Ryzen 9 7900. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2666	DDR5-5200
Maximum memory size	128 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	42.671 GB/s	no data
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare	Intel UHD Graphics P630	AMD Radeon Graphics (Ryzen 7000)
Max video memory	128 GB	no data
Quick Sync Video	+	-
Clear Video	+	no data
Clear Video HD	+	no data
Graphics max frequency	1.15 GHz	no data
InTru 3D	+	no data

Graphics interfaces

Available interfaces and connections of Xeon E-2146G and Ryzen 9 7900 integrated GPUs.

Number of displays supported	3	no data
eDP	+	no data
DisplayPort	+	-
HDMI	+	-
DVI	+	no data

Graphics image quality

Maximum display resolutions supported by Xeon E-2146G and Ryzen 9 7900 integrated GPUs, including resolutions over different interfaces.

4K resolution support	+	no data
Max resolution over HDMI 1.4	4096x2160@24Hz	no data
Max resolution over eDP	4096x2304@60Hz	no data
Max resolution over DisplayPort	4096x2304@60Hz	no data
Max resolution over VGA	N/A	no data

Graphics API support

APIs supported by Xeon E-2146G and Ryzen 9 7900 integrated GPUs, sometimes API versions are included.

DirectX	12	no data
OpenGL	4.5	no data

Peripherals

Specifications and connection of peripherals supported by Xeon E-2146G and Ryzen 9 7900.

PCIe version	3.0	5.0
PCI Express lanes	16	24

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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Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

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Pros & cons summary

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Performance score	8.50	31.34
Integrated graphics card	6.39	4.42
Recency	12 July 2018	14 January 2023
Physical cores	6	12
Threads	12	24
Chip lithography	14 nm	5 nm
Power consumption (TDP)	80 Watt	65 Watt

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Should you still have questions on choice between Xeon E-2146G and Ryzen 9 7900, ask them in Comments section, and we shall answer.

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