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Differences
Top features of Intel Core i7-965
Top features of Intel Core i7-990X
-
Higher clock speed3.46 GHz
3.20 GHz
Around 8% better clock speed
Specifications
Complete list of technical specificationsCPU generation and family
Let's find out which one of Intel Core i7-965 and Intel Core i7-990X is of a more recent generation, and what segment it belongs to.
| Specification | Value |
|---|---|
| Name |
Intel Core i7-965
Intel Core i7-990X
|
| Family |
Intel Core i7 Extreme Edition
Intel Core i7 Extreme Edition
|
| CPU group |
Intel Core i7 900
Intel Core i7 900
|
| Segment |
Desktop / Server
Desktop / Server
|
| Generation |
1
1
|
CPU Cores and Base Frequency
In this block we are going to compare Intel Core i7-965 vs Intel Core i7-990X 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 |
|---|---|
| CPU Cores / Threads |
4 / 8
6 / 12
|
| Core architecture |
normal
normal
|
| Cores |
4x
6x
|
| Hyperthreading / SMT |
Yes
Yes
|
| Overclocking |
Yes
Yes
|
| Frequency |
3.20 GHz
3.46 GHz
|
| Turbo Frequency (1 Core) |
3.46 GHz
3.73 GHz
|
Internal Graphics
Common specifications for integrated graphics cards in Intel Core i7-965 and Intel Core i7-990X along with supported interfaces and connection options. This block has no effect on the final efficiency of the CPU.
| Specification | Value |
|---|---|
| GPU name |
no iGPU
no iGPU
|
| GPU (Turbo) |
No turbo
No turbo
|
Hardware codec support
Let's compare the support of video codecs between Intel Core i7-965 and Intel Core i7-990X. Hardware support of video decoding by embedded graphics cards directly affects the speed and quality of rendering videos.
| Specification | Value |
|---|---|
| h265 / HEVC (8 bit) |
No
No
|
| h265 / HEVC (10 bit) |
No
No
|
| h264 |
No
No
|
| VP8 |
No
No
|
| VP9 |
No
No
|
| AV1 |
No
No
|
| AVC |
No
No
|
| VC-1 |
No
No
|
| JPEG |
No
No
|
Memory & PCIe
To choose the best model between Intel Core i7-965 and Intel Core i7-990X 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 |
DDR3-1066
DDR3-1066
|
| Max. Memory |
24 GB
24 GB
|
| Memory channels |
3
3
|
| Bandwidth |
25.6 GB/s
25.6 GB/s
|
| ECC |
No
No
|
| AES-NI |
No
No
|
Thermal Management
Let's find out what TDP value would be better for Intel Core i7-965 or Intel Core i7-990X? 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 |
|---|
Technical details
Here you can find a comparison of 2nd and 3rd level cache sizes for Intel Core i7-965 and Intel Core i7-990X CPUs along with a list of ISA extensions.
| Specification | Value |
|---|---|
| Technology |
45 nm
32 nm
|
| Chip design |
Monolithic
Monolithic
|
| Socket |
LGA 1366
LGA 1366
|
| L2-Cache |
1.00 MB
1.50 MB
|
| L3-Cache |
8.00 MB
12.00 MB
|
| Architecture |
Bloomfield
Gulftown
|
| Operating systems |
Windows 10, Linux
Windows 10, Linux
|
| Virtualization |
VT-x, VT-x EPT
VT-x, VT-x EPT
|
| Instruction set (ISA) |
x86-64 (64 bit)
x86-64 (64 bit)
|
| ISA extensions |
SSE4.1, SSE4.2
SSE4.1, SSE4.2
|
| Release date |
Q4/2008
Q1/2011
|
| Release price |
990 $
1059 $
|
| Part Number |
BX80601965
--
|
| Documents |
Technical data sheet
Technical data sheet
|
