Ryzen 9 9900X vs i7-6785R

Primary details

Comparing Core i7-6785R and Ryzen 9 9900X processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	109
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	63.37
Market segment	Desktop processor	Desktop processor
Series	Intel Core i7	no data
Power efficiency	no data	27.23
Architecture codename	Skylake (2015−2016)	Granite Ridge (2024)
Release date	3 May 2016 (8 years ago)	15 August 2024 (less than a year ago)
Launch price (MSRP)	$370	$499

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core i7-6785R 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	3.3 GHz	4.4 GHz
Boost clock speed	3.9 GHz	5.6 GHz
Bus type	DMI 3.0	no data
Bus rate	4 × 8 GT/s	no data
Multiplier	33	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	no data	2x 70.6 mm2
Maximum core temperature	no data	95 °C
Maximum case temperature (TCase)	71 °C	no data
Number of transistors	no data	16,630 million
64 bit support	+	+
Windows 11 compatibility	-	no data
Unlocked multiplier	-	+

Compatibility

Information on Core i7-6785R 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)	65 Watt	120 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-6785R 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	+	+
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
Thermal Monitoring	+	-
Precision Boost 2	no data	+

Security technologies

Core i7-6785R and Ryzen 9 9900X technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-6785R 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 Core i7-6785R and Ryzen 9 9900X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-1866/2133, DDR3L-1333/1600	DDR5
Maximum memory size	64 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	34.134 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare	Intel Iris Pro Graphics 580	AMD Radeon Graphics
Max video memory	64 GB	no data
Quick Sync Video	+	-
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 i7-6785R and Ryzen 9 9900X 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 Core i7-6785R and Ryzen 9 9900X 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 i7-6785R and Ryzen 9 9900X 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 i7-6785R and Ryzen 9 9900X.

PCIe version	3.0	5.0
PCI Express lanes	16	24

Pros & cons summary

---

Integrated graphics card	4.77	1.98
Recency	3 May 2016	15 August 2024
Physical cores	4	12
Threads	8	24
Chip lithography	14 nm	4 nm
Power consumption (TDP)	65 Watt	120 Watt

---

Should you still have questions on choice between Core i7-6785R and Ryzen 9 9900X, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.

---