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Differences
Top features of Intel Core i7-11700K
-
Higher clock speed3.60 GHz
3.10 GHz
Around -16% better clock speed -
Higher turbo clock speed5.00 GHz
4.30 GHz
Around 14% better overclocked clock speed
Top features of AMD Ryzen 9 3900
-
More number of cores12
8
2 times more cores
-
Performance per watt65 W
125 W
About 0.52 times less performance per watt
Specifications
Complete list of technical specificationsCPU generation and family
Let's find out which one of Intel Core i7-11700K and AMD Ryzen 9 3900 is of a more recent generation, and what segment it belongs to.
| Specification | Value |
|---|---|
| Name |
Intel Core i7-11700K
AMD Ryzen 9 3900
|
| Segment |
Desktop / Server
Desktop / Server
|
| Family |
Intel Core i7
AMD Ryzen
|
| Generation |
11
3
|
| CPU group |
Intel Core i 11000
AMD Ryzen 3000
|
| Predecessor |
Intel Core i7-10700K
--
|
| Successor |
Intel Core i7-12700K
AMD Ryzen 9 5900
|
CPU Cores and Base Frequency
In this block we are going to compare Intel Core i7-11700K vs AMD Ryzen 9 3900 by main technical specifications: number of cores and threads, base and maximum frequencies, process technology and cache size. The higher these specifications are, the more powerful your CPU will be.
| Specification | Value |
|---|---|
| Frequency |
3.60 GHz
3.10 GHz
|
| CPU Cores |
8
12
|
| Turbo (1 Core) |
5.00 GHz
4.30 GHz
|
| CPU Threads |
16
24
|
| Hyperthreading |
Yes
Yes
|
| Overclocking |
Yes
Yes
|
| Core architecture |
normal
normal
|
Internal Graphics
Common specifications for integrated graphics cards in Intel Core i7-11700K and AMD Ryzen 9 3900 along with supported interfaces and connection options. This block has no effect on the final efficiency of the CPU.
| Specification | Value |
|---|---|
| GPU name |
Intel UHD Graphics 750
no iGPU
|
| GPU frequency |
0.35 GHz
|
| GPU (Turbo) |
1.30 GHz
No turbo
|
| Execution units |
32
|
| Shader |
256
|
| Max. displays |
3
|
| Generation |
12
|
| DirectX Version |
12
|
| Technology |
14 nm
|
| Release date |
Q1/2021
|
Hardware codec support
Let's compare the support of video codecs between Intel Core i7-11700K and AMD Ryzen 9 3900. Hardware support of video decoding by embedded graphics cards directly affects the speed and quality of rendering videos.
| Specification | Value |
|---|---|
| h265 / HEVC (8 bit) |
Decode / Encode
No
|
| h265 / HEVC (10 bit) |
Decode / Encode
No
|
| h264 |
Decode / Encode
No
|
| VP9 |
Decode / Encode
No
|
| VP8 |
Decode
No
|
| AV1 |
Decode
No
|
| AVC |
Decode / Encode
No
|
| VC-1 |
Decode
No
|
| JPEG |
Decode / Encode
No
|
Memory & PCIe
To choose the best model between Intel Core i7-11700K and AMD Ryzen 9 3900 you need to pay special attention to memory type, clock frequency, multi-channel features, and PCIe version. The higher these numbers are, the better your CPU will be. Keep in mind that the maximum memory and frequency may also depend on the model of the motherboard.
| Specification | Value |
|---|---|
| Memory type |
DDR4-3200
DDR4-3200
|
| Max. Memory |
128 GB
128 GB
|
| ECC |
No
No
|
| Memory channels |
2
2
|
| PCIe version |
4.0
4.0
|
| PCIe lanes |
20
20
|
Encryption
AES-NI encryption support for CPUs Intel Core i7-11700K and AMD Ryzen 9 3900.
| Specification | Value |
|---|---|
| AES-NI |
Yes
Yes
|
Thermal Management
Let's find out what TDP value would be better for Intel Core i7-11700K or AMD Ryzen 9 3900? The Thermal Design Power (TDP) indicates the maximum amount of heat that should be dissipated by the chip cooling system. However, the value of TDP gives only a rough indication of the real power consumption of the CPU.
| Specification | Value |
|---|---|
| TDP (PL1) |
125 W
65 W
|
| TDP (PL2) |
251 W / 56 s
--
|
| TDP down |
95 W
--
|
| Tjunction max. |
100 °C
95 °C
|
Technical details
Here you can find a comparison of 2nd and 3rd level cache sizes for Intel Core i7-11700K and AMD Ryzen 9 3900 CPUs along with a list of ISA extensions.
| Specification | Value |
|---|---|
| Instruction set (ISA) |
x86-64 (64 bit)
x86-64 (64 bit)
|
| Virtualization |
VT-x, VT-x EPT, VT-d
AMD-V, SVM
|
| ISA extensions |
SSE4.1, SSE4.2, AVX2, AVX-512
SSE4a, SSE4.1, SSE4.2, AVX2, FMA3
|
| L2-Cache |
4.00 MB
--
|
| L3-Cache |
16.00 MB
64.00 MB
|
| Architecture |
Rocket Lake S
Matisse (Zen 2)
|
| Technology |
14 nm
7 nm
|
| Socket |
LGA 1200
AM4
|
| Release date |
Q1/2021
Q3/2019
|
Devices using this processor
List of devices based on Intel Core i7-11700K and AMD Ryzen 9 3900.
| Specification | Value |
|---|---|
| Used in |
Unknown
Unknown
|
