Combined benchmark scores for both processors
Head-to-head processor comparison
Combined benchmark scores for both processors
Out of 2,060 results in the database
Rank #432
Rank #217
Core i9-9900X wins by 8.4% (Rank #432 vs #217)
Out of 2,060 results in the database
Rank #386
Rank #230
Core i9-9900X wins by 5.9% (Rank #386 vs #230)
Out of 2,060 results in the database
Rank #463
Rank #224
Core i9-9900X wins by 12.3% (Rank #463 vs #224)
Out of 1,771 results in the database
Rank #469
Rank #281
Core i9-9900X wins by 6.3% (Rank #469 vs #281)
Out of 1,771 results in the database
Rank #478
Rank #281
Core i9-9900X wins by 7.1% (Rank #478 vs #281)
Out of 1,771 results in the database
Rank #382
Rank #208
Core i9-9900X wins by 7.2% (Rank #382 vs #208)
Side-by-side comparison of key specifications
| Specification | Core i7-7800X | Core i9-9900X | Diff |
|---|---|---|---|
| Cores |
6
|
10
|
-40% |
| Threads |
12
|
20
|
-40% |
| Base Frequency |
3,500 MHz
|
3,500 MHz
|
0% |
| Turbo Frequency (1 core) |
4,000 MHz
|
4,400 MHz
|
-9.1% |
| Turbo Frequency (2 cores) | -- |
4,400 MHz
|
|
| Clock Multiplier |
35x
|
35x
|
0% |
| L1 Cache |
384 KB
|
640 KB
|
-40% |
| L2 Cache |
6 MiB
|
10 MiB
|
-40% |
| L3 Cache |
8 MiB
|
19 MiB
|
-57.1% |
| Memory Channels |
4
|
4
|
0% |
| Maximum Memory |
128 GB
|
128 GB
|
0% |
| Max Bandwidth |
79 GB/s
|
79 GB/s
|
0% |
| PCIe Lanes |
28
|
44
|
-36.4% |
| Max CPUs |
1
|
1
|
0% |
| TDP (lower is better) |
140 W
|
165 W
|
15.2% less |
| Process (lower is better) |
14 nm
|
14 nm
|
0% |
| Specification | Core i7-7800X | Core i9-9900X |
|---|---|---|
| Designer | Intel | Intel |
| Family | Core | Core |
| Series | i7-7000 | i9-9000 |
| Model Number | i7-7800X | i9-9900X |
| Microarchitecture | Skylake | Skylake |
| Core Name | Skylake | Skylake X Refresh |
| Core Family | 6 | 6 |
| Core Model | 85 | -- |
| Socket | Socket | Socket |
| Package | FCLGA-2066 | FCLGA-2066 |
| Chipset | Lewisburg | Lewisburg |
| Memory Type | DDR4-2400 | DDR4-2666 |
| ECC Support | No | No |
| PCIe Revision | 3.0 | 3.0 |
| PCIe Configuration | 1x16+1x8+1x4, 3x8+1x4 | x16, x8, x4 |
| Market Segment | Desktop | Desktop |
| Release Price | $389.00 | $989.00 |
| Locked Multiplier | No | No |
Designer
Family
Series
Model Number
Microarchitecture
Core Name
Core Family
Core Model
Socket
Package
Chipset
Memory Type
ECC Support
PCIe Revision
PCIe Configuration
Market Segment
Release Price
Locked Multiplier
Manufacturing process and die characteristics
| Specification | Core i7-7800X | Core i9-9900X |
|---|---|---|
| Process | 14 nm | 14 nm |
| Manufacturer | Intel | Intel |
| Technology | CMOS | CMOS |
| Word Size | 64-bit | 64-bit |
| ISA | x86-64 (x86) | x86-64 (x86) |
Process
Manufacturer
Technology
Word Size
ISA
Supported instruction set extensions comparison
| Extension | Core i7-7800X | Core i9-9900X |
|---|---|---|
| ABM | ||
| ADX | ||
| AES | ||
| AVX | ||
| AVX-512 | ||
| AVX-512 | ||
| AVX2 | ||
| AVX512BW | ||
| AVX512CD | ||
| AVX512DQ | ||
| AVX512F | ||
| AVX512VL | ||
| AVX512_VNNI | ||
| BMI1 | ||
| BMI2 | ||
| CLMUL | ||
| DL Boost | ||
| EIST | ||
| EMMX | ||
| EPT | ||
| F16C | ||
| FMA | ||
| FMA3 | ||
| FPU | ||
| Flex Memory | ||
| HT | ||
| KPT | ||
| MBE Ctrl | ||
| MMX | ||
| NM | ||
| NX | ||
| PTT | ||
| Protected | ||
| RdRand | ||
| Real | ||
| Run Sure | ||
| SMM | ||
| SSE | ||
| SSE2 | ||
| SSE3 | ||
| SSE4.1 | ||
| SSE4.2 | ||
| SSSE3 | ||
| SST | ||
| TBMT 3.0 | ||
| TBT 1.0 | ||
| TBT 2.0 | ||
| TSX | ||
| TXT | ||
| VMD | ||
| VT-d | ||
| VT-x | ||
| vPro | ||
| x86-16 | ||
| x86-32 | ||
| x86-64 |
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