Ryzen 9 7900X3D vs Xeon E3-1585 v5

Primary details

Comparing Xeon E3-1585 v5 and Ryzen 9 7900X3D processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1098	111
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.79	98.77
Market segment	Server	Desktop processor
Series	Intel Xeon E3	AMD Ryzen 9
Architecture codename	Skylake (2015−2016)	Raphael
Release date	31 May 2016 (8 years ago)	4 January 2023 (1 year ago)
Launch price (MSRP)	$556	no data
Current price	$979 (1.8x MSRP)	$339

Cost-effectiveness evaluation

Performance per price, higher is better.

Ryzen 9 7900X3D has 12403% better value for money than Xeon E3-1585 v5.

Detailed specifications

Xeon E3-1585 v5 and Ryzen 9 7900X3D 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	3.5 GHz	4.4 GHz
Boost clock speed	3.9 GHz	5.6 GHz
Bus support	4 × 8 GT/s	no data
L1 cache	256 KB	64K (per core)
L2 cache	1 MB	1 MB (per core)
L3 cache	8 MB	128 MB (shared)
Chip lithography	14 nm	5 nm, 6 nm
Die size	no data	2x 71 mm2
Maximum core temperature	100 °C	no data
Maximum case temperature (TCase)	no data	47 °C
Number of transistors	no data	13,140 million
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	No	Yes

Compatibility

Information on Xeon E3-1585 v5 and Ryzen 9 7900X3D 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	FCBGA1440	AM5
Power consumption (TDP)	65 Watt	120 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E3-1585 v5 and Ryzen 9 7900X3D. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	no data
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	+	no data
Idle States	+	no data
FDI	+	no data
Status	Discontinued	no data

Security technologies

Xeon E3-1585 v5 and Ryzen 9 7900X3D 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 E3-1585 v5 and Ryzen 9 7900X3D are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E3-1585 v5 and Ryzen 9 7900X3D. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	LPDDR3-1600, DDR4-2133	DDR5-5200
Maximum memory size	64 GB	128 GB
Max memory channels	2	no data
Maximum memory bandwidth	34.134 GB/s	no data
ECC memory support	+	no data

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	+	no data
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 E3-1585 v5 and Ryzen 9 7900X3D integrated GPUs.

Number of displays supported

3

no data

Peripherals

Specifications and connection of peripherals supported by Xeon E3-1585 v5 and Ryzen 9 7900X3D.

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.

Ryzen 9 7900X3D outperforms Xeon E3-1585 v5 by 499% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	5.44	32.56
Recency	31 May 2016	4 January 2023
Physical cores	4	12
Threads	8	24
Chip lithography	14 nm	5 nm
Power consumption (TDP)	65 Watt	120 Watt

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Should you still have questions on choice between Xeon E3-1585 v5 and Ryzen 9 7900X3D, ask them in Comments section, and we shall answer.

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