Ryzen 9 7940HS vs Xeon D-1521

VS

Aggregate performance score

Xeon D-1521
2015
4 cores / 8 threads, 45 Watt
3.58
Ryzen 9 7940HS
2023
8 cores / 16 threads, 35 Watt
19.09
+433%

Ryzen 9 7940HS outperforms Xeon D-1521 by a whopping 433% based on our aggregate benchmark results.

Primary details

Comparing Xeon D-1521 and Ryzen 9 7940HS processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking1519308
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation2.60no data
Market segmentServerLaptop
SeriesIntel Xeon Dno data
Power efficiency7.5251.59
Architecture codenameBroadwell (2015−2019)Phoenix-HS (Zen 4) (2023)
Release date1 November 2015 (9 years ago)January 2023 (1 year ago)
Launch price (MSRP)$199no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Xeon D-1521 and Ryzen 9 7940HS 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 cores4 (Quad-Core)8 (Octa-Core)
Threads816
Base clock speed2.4 GHz4 GHz
Boost clock speed2.7 GHz5.2 GHz
Bus typeDMI 2.0no data
Multiplier24no data
L1 cache64K (per core)64K (per core)
L2 cache256K (per core)1 MB (per core)
L3 cache1.5 MB (per core)16 MB (shared)
Chip lithography14 nm4 nm
Die size246.24 mm2178 mm2
Maximum core temperatureno data100 °C
Maximum case temperature (TCase)80 °Cno data
Number of transistors3,200 million25,000 million
64 bit support++
Windows 11 compatibility-+

Compatibility

Information on Xeon D-1521 and Ryzen 9 7940HS 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 configuration1 (Uniprocessor)1
SocketFCBGA1667FP8
Power consumption (TDP)45 Watt35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon D-1521 and Ryzen 9 7940HS. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® AVX2Ryzen AI, MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, AVX-512, BMI2, ABM, FMA, ADX, SMEP, SMAP, SMT, CPB, AES-NI, RDRAND, RDSEED, SHA, SME
AES-NI++
FMA-+
AVX++
Enhanced SpeedStep (EIST)+no data
Turbo Boost Technology2.0no data
Hyper-Threading Technology+no data
TSX+-
Idle States+no data
Thermal Monitoring+-
GPIO+no data
Precision Boost 2no data+

Security technologies

Xeon D-1521 and Ryzen 9 7940HS technologies aimed at improving security, for example, by protecting against hacks.

TXT+no data
EDB+no data
Secure Key+no data
OS Guard+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon D-1521 and Ryzen 9 7940HS 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 D-1521 and Ryzen 9 7940HS. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4, DDR3DDR5
Maximum memory size128 GBno data
Max memory channels2no data
Maximum memory bandwidth34.124 GB/sno data
ECC memory support+-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataAMD Radeon 780M ( - 2800 MHz)

Peripherals

Specifications and connection of peripherals supported by Xeon D-1521 and Ryzen 9 7940HS.

PCIe version2.0/3.04.0
PCI Express lanes2420
USB revision2.0/3.0no data
Total number of SATA ports6no data
Number of USB ports8no data
Integrated LAN+no data
UART+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.


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 D-1521 3.58
Ryzen 9 7940HS 19.09
+433%

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 D-1521 5690
Ryzen 9 7940HS 30327
+433%

Gaming performance

Pros & cons summary


Performance score 3.58 19.09
Physical cores 4 8
Threads 8 16
Chip lithography 14 nm 4 nm
Power consumption (TDP) 45 Watt 35 Watt

Ryzen 9 7940HS has a 433.2% higher aggregate performance score, 100% more physical cores and 100% more threads, a 250% more advanced lithography process, and 28.6% lower power consumption.

The Ryzen 9 7940HS is our recommended choice as it beats the Xeon D-1521 in performance tests.

Be aware that Xeon D-1521 is a server/workstation processor while Ryzen 9 7940HS is a notebook one.


Should you still have questions on choice between Xeon D-1521 and Ryzen 9 7940HS, ask them in Comments section, and we shall answer.

Vote for your favorite

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Intel Xeon D-1521
Xeon D-1521
AMD Ryzen 9 7940HS
Ryzen 9 7940HS

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Community ratings

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Questions & comments

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