Ryzen 9 6900HX vs Xeon Silver 4123

Aggregate performance score

Xeon Silver 4123
2018
8 cores / 16 threads, 105 Watt
9.07
Ryzen 9 6900HX
2022
8 cores / 16 threads, 45 Watt
15.59
+71.9%

Ryzen 9 6900HX outperforms Xeon Silver 4123 by an impressive 72% based on our aggregate benchmark results.

Primary details

Comparing Xeon Silver 4123 and Ryzen 9 6900HX processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking841437
Place by popularitynot in top-100not in top-100
Market segmentServerLaptop
Seriesno dataAMD Rembrandt (Zen 3+)
Power efficiency8.1732.79
Architecture codenameno dataRembrandt-H (Zen 3+) (2022)
Release date1 January 2018 (6 years ago)January 2022 (2 years ago)

Detailed specifications

Xeon Silver 4123 and Ryzen 9 6900HX 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 cores8 (Octa-Core)8 (Octa-Core)
Threads1616
Base clock speed3 GHz3.3 GHz
Boost clock speed3.2 GHz4.9 GHz
L1 cacheno data64K (per core)
L2 cacheno data512K (per core)
L3 cache11 MB16 MB (shared)
Chip lithography14 nm6 nm
Die sizeno data208 mm2
Maximum core temperatureno data95 °C
64 bit support-+
Windows 11 compatibility-+
Unlocked multiplier-+

Compatibility

Information on Xeon Silver 4123 and Ryzen 9 6900HX 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 configurationno data1
SocketFCLGA3647FP7
Power consumption (TDP)105 Watt45 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon Silver 4123 and Ryzen 9 6900HX. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® AVX-512MMX (+), SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A, AES, AVX, AVX2, FMA3, SHA
AES-NI++
AVX-+
vPro+no data
Speed Shift+no data
Turbo Boost Technology2.0no data
Hyper-Threading Technology+no data
TSX+-
Turbo Boost Max 3.0-no data
Precision Boost 2no data+

Security technologies

Xeon Silver 4123 and Ryzen 9 6900HX technologies aimed at improving security, for example, by protecting against hacks.

TXT+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon Silver 4123 and Ryzen 9 6900HX are enumerated here.

AMD-V-+
VT-x+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon Silver 4123 and Ryzen 9 6900HX. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-2400DDR5
Maximum memory size512 GBno data
Max memory channels6no data
ECC memory support+-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataAMD Radeon 680M

Peripherals

Specifications and connection of peripherals supported by Xeon Silver 4123 and Ryzen 9 6900HX.

PCIe version3.04.0
PCI Express lanes4820

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.


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.

Xeon Silver 4123 9.07
Ryzen 9 6900HX 15.59
+71.9%

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

Xeon Silver 4123 14405
Ryzen 9 6900HX 24768
+71.9%

Gaming performance

Pros & cons summary


Performance score 9.07 15.59
Chip lithography 14 nm 6 nm
Power consumption (TDP) 105 Watt 45 Watt

Ryzen 9 6900HX has a 71.9% higher aggregate performance score, a 133.3% more advanced lithography process, and 133.3% lower power consumption.

The Ryzen 9 6900HX is our recommended choice as it beats the Xeon Silver 4123 in performance tests.

Be aware that Xeon Silver 4123 is a server/workstation processor while Ryzen 9 6900HX is a notebook one.


Should you still have questions on choice between Xeon Silver 4123 and Ryzen 9 6900HX, ask them in Comments section, and we shall answer.

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Intel Xeon Silver 4123
Xeon Silver 4123
AMD Ryzen 9 6900HX
Ryzen 9 6900HX

Similar processor comparisons

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Community ratings

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