Ryzen 9 7900X vs Xeon E3-1205 v6

Primary details

Comparing Xeon E3-1205 v6 and Ryzen 9 7900X processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1504	121
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	5.07	no data
Market segment	Server	Desktop processor
Series	Intel Xeon E3	no data
Power efficiency	5.20	18.13
Architecture codename	Kaby Lake (2016−2019)	Raphael (Zen4) (2022−2023)
Release date	28 March 2017 (7 years ago)	27 September 2022 (2 years ago)
Launch price (MSRP)	$193	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon E3-1205 v6 and Ryzen 9 7900X 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	4	24
Base clock speed	3 GHz	4.7 GHz
Boost clock speed	3 GHz	5.6 GHz
Bus type	DMI 3.0	no data
Bus rate	8 GT/s	no data
Multiplier	30	no data
L1 cache	256 KB	64K (per core)
L2 cache	1 MB	1 MB (per core)
L3 cache	8 MB	64 MB (shared)
Chip lithography	14 nm	5 nm
Die size	no data	2x 70 (CCD) mm2 + 122 (I/O) mm2
Maximum core temperature	no data	95 °C
Maximum case temperature (TCase)	no data	47 °C
Number of transistors	no data	CCD: 6,5 Mrd + IOD: 3,4 Mrd Million
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	-	+
VID voltage range	0.55V-1.52V	no data

Compatibility

Information on Xeon E3-1205 v6 and Ryzen 9 7900X 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)	65 Watt	170 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E3-1205 v6 and Ryzen 9 7900X. 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 (CCD), 6 nm (I/O) nm, 0.650 - 1.475V
AES-NI	+	+
AVX	+	+
vPro	+	no data
Enhanced SpeedStep (EIST)	+	no data
Hyper-Threading Technology	-	no data
TSX	+	-
Idle States	+	no data
Thermal Monitoring	+	-
Precision Boost 2	no data	+

Security technologies

Xeon E3-1205 v6 and Ryzen 9 7900X 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 both Intel® SPS and Intel® ME	no data
OS Guard	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E3-1205 v6 and Ryzen 9 7900X 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 E3-1205 v6 and Ryzen 9 7900X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2400, DDR3L-1866	DDR5-5200
Maximum memory size	64 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	38.397 GB/s	no data
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare	Intel HD Graphics P630	AMD Radeon Graphics (Ryzen 7000)
Max video memory	1.7 GB	no data
Quick Sync Video	+	-
Clear Video	+	no data
Clear Video HD	+	no data
Graphics max frequency	1 GHz	no data
InTru 3D	+	no data

Graphics interfaces

Available interfaces and connections of Xeon E3-1205 v6 and Ryzen 9 7900X 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 E3-1205 v6 and Ryzen 9 7900X 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 E3-1205 v6 and Ryzen 9 7900X integrated GPUs, sometimes API versions are included.

DirectX	12	no data
OpenGL	4.4	no data

Peripherals

Specifications and connection of peripherals supported by Xeon E3-1205 v6 and Ryzen 9 7900X.

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	3.71	33.80
Integrated graphics card	3.10	4.42
Recency	28 March 2017	27 September 2022
Physical cores	4	12
Threads	4	24
Chip lithography	14 nm	5 nm
Power consumption (TDP)	65 Watt	170 Watt

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Should you still have questions on choice between Xeon E3-1205 v6 and Ryzen 9 7900X, ask them in Comments section, and we shall answer.

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