Ryzen 9 7900X3D vs Core i7-6700

Primary details

Comparing Core i7-6700 and Ryzen 9 7900X3D processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1102	105
Place by popularity	75	not in top-100
Cost-effectiveness evaluation	3.18	73.23
Market segment	Desktop processor	Desktop processor
Series	Intel Core i7 (Desktop)	AMD Ryzen 9
Architecture codename	Skylake (2015−2016)	Raphael
Release date	1 July 2015 (8 years ago)	4 January 2023 (1 year ago)
Launch price (MSRP)	$303	no data
Current price	$114 (0.4x MSRP)	$470

Cost-effectiveness evaluation

Performance per price, higher is better.

Ryzen 9 7900X3D has 2203% better value for money than i7-6700.

Detailed specifications

Core i7-6700 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	3.4 GHz	4.4 GHz
Boost clock speed	4 GHz	5.6 GHz
L1 cache	64K (per core)	64K (per core)
L2 cache	256K (per core)	1 MB (per core)
L3 cache	8 MB (shared)	128 MB (shared)
Chip lithography	14 nm	5 nm, 6 nm
Die size	122 mm2	2x 71 mm2
Maximum core temperature	71 °C	no data
Maximum case temperature (TCase)	72 °C	47 °C
Number of transistors	no data	13,140 million
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	No	Yes

Compatibility

Information on Core i7-6700 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	FCLGA1151	AM5
Power consumption (TDP)	65 Watt	120 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-6700 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
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	no data
TSX	+	no data
Idle States	+	no data
Thermal Monitoring	+	no data
SIPP	+	no data
Status	Launched	no data

Security technologies

Core i7-6700 and Ryzen 9 7900X3D technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	no data
EDB	+	no data
Secure Key	+	no data
MPX	+	no data
Identity Protection	+	no data
SGX	Yes with Intel® ME	no data
OS Guard	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-6700 and Ryzen 9 7900X3D 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 Core i7-6700 and Ryzen 9 7900X3D. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3, DDR4	DDR5-5200
Maximum memory size	64 GB	128 GB
Max memory channels	2	no data
Maximum memory bandwidth	34.1 GB/s	no data
ECC memory support	-	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare	Intel HD Graphics 530	AMD Radeon Graphics
Max video memory	64 GB	no data
Quick Sync Video	+	no data
Clear Video	+	no data
Clear Video HD	+	no data
Graphics max frequency	1.15 GHz	no data
InTru 3D	+	no data

Graphics interfaces

Available interfaces and connections of Core i7-6700 and Ryzen 9 7900X3D integrated GPUs.

Number of displays supported	3	no data
eDP	+	no data
DisplayPort	+	no data
HDMI	+	no data
DVI	+	no data

Graphics image quality

Maximum display resolutions supported by Core i7-6700 and Ryzen 9 7900X3D integrated GPUs, including resolutions over different interfaces.

4K resolution support	+	no data
Max resolution over HDMI 1.4	4096x2304@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 Core i7-6700 and Ryzen 9 7900X3D integrated GPUs, sometimes API versions are included.

DirectX	12	no data
OpenGL	4.5	no data

Peripherals

Specifications and connection of peripherals supported by Core i7-6700 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 Core i7-6700 by 523% based on our aggregated benchmark results.

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Pros & cons summary

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Performance score	5.23	32.59
Integrated graphics card	2.59
Recency	1 July 2015	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 Core i7-6700 and Ryzen 9 7900X3D, ask them in Comments section, and we shall answer.

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