Ryzen 9 9900X vs Xeon E3-1585L v5

Primary details

Comparing Xeon E3-1585L v5 and Ryzen 9 9900X processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1227	109
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	2.32	66.82
Market segment	Server	Desktop processor
Series	Intel Xeon E3	no data
Power efficiency	10.54	27.22
Architecture codename	Skylake-H (2015−2016)	Granite Ridge (2024)
Release date	31 May 2016 (8 years ago)	15 August 2024 (less than a year ago)
Launch price (MSRP)	$445	$499

Cost-effectiveness evaluation

Performance per price, higher is better.

Ryzen 9 9900X has 2780% better value for money than Xeon E3-1585L v5.

Detailed specifications

Xeon E3-1585L v5 and Ryzen 9 9900X 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	4 (Quad-Core)	12 (Dodeca-Core)
Threads	8	24
Base clock speed	3 GHz	4.4 GHz
Boost clock speed	3.7 GHz	5.6 GHz
Bus type	DMI 3.0	no data
Bus rate	4 × 8 GT/s	no data
Multiplier	30	no data
L1 cache	64 KB (per core)	80 KB (per core)
L2 cache	256 KB (per core)	1 MB (per core)
L3 cache	8 MB (shared)	64 MB (shared)
Chip lithography	14 nm	4 nm
Die size	171 mm2	2x 70.6 mm2
Maximum core temperature	100 °C	95 °C
Number of transistors	2,300 million	16,630 million
64 bit support	+	+
Windows 11 compatibility	-	no data
Unlocked multiplier	-	+

Compatibility

Information on Xeon E3-1585L v5 and Ryzen 9 9900X 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	FCBGA1440	AM5
Power consumption (TDP)	45 Watt	120 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E3-1585L v5 and Ryzen 9 9900X. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	SMT, AES, AVX, AVX2, AVX512, FMA3, MMX (+), SHA, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A
AES-NI	+	+
AVX	+	+
vPro	+	no data
Enhanced SpeedStep (EIST)	+	no data
eDRAM	128 MB	no data
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	no data
TSX	+	-
Idle States	+	no data
FDI	+	no data
Precision Boost 2	no data	+

Security technologies

Xeon E3-1585L v5 and Ryzen 9 9900X technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	no data
EDB	+	no data
OS Guard	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E3-1585L v5 and Ryzen 9 9900X 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 E3-1585L v5 and Ryzen 9 9900X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3L,LPDDR3 1600 MHz, DDR4 2133 MHz at 1.2V	DDR5
Maximum memory size	64 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	34.134 GB/s	no data
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare	Intel Iris Pro Graphics P580	AMD Radeon Graphics
Max video memory	64 GB	no data
Quick Sync Video	+	-
Clear Video	+	no data
Graphics max frequency	1.15 GHz	no data
Execution Units	72	no data

Graphics interfaces

Available interfaces and connections of Xeon E3-1585L v5 and Ryzen 9 9900X integrated GPUs.

Number of displays supported

3

no data

Peripherals

Specifications and connection of peripherals supported by Xeon E3-1585L v5 and Ryzen 9 9900X.

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	5.01	34.52
Integrated graphics card	5.24	1.98
Recency	31 May 2016	15 August 2024
Physical cores	4	12
Threads	8	24
Chip lithography	14 nm	4 nm
Power consumption (TDP)	45 Watt	120 Watt

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Should you still have questions on choice between Xeon E3-1585L v5 and Ryzen 9 9900X, ask them in Comments section, and we shall answer.

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