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 #207
Rank #1,621
Core i9-7900X wins by 30.8% (Rank #207 vs #1621)
Out of 2,060 results in the database
Rank #225
Rank #1,507
Core i9-7900X wins by 30.2% (Rank #225 vs #1507)
Out of 2,060 results in the database
Rank #216
Rank #2,030
Core i9-7900X wins by 31.7% (Rank #216 vs #2030)
Out of 1,771 results in the database
Rank #298
Number Crunching not available for both processors.
Out of 1,771 results in the database
Rank #287
Data Processing not available for both processors.
Out of 1,771 results in the database
Rank #226
Physics & Compute not available for both processors.
Side-by-side comparison of key specifications
| Specification | Core i9-7900X | Core 2 Quad Q9400 | Diff |
|---|---|---|---|
| Cores |
10
|
4
|
+60% |
| Threads |
20
|
4
|
+80% |
| Base Frequency |
3,300 MHz
|
2,666 MHz
|
+19.2% |
| Turbo Frequency (1 core) |
4,300 MHz
|
-- | |
| Turbo Frequency (2 cores) |
4,300 MHz
|
-- | |
| Clock Multiplier |
33x
|
8x
|
+75.8% |
| L1 Cache |
640 KB
|
62 KB
|
+90.2% |
| L2 Cache |
10 MiB
|
6 MiB
|
+42.8% |
| L3 Cache |
14 MiB
|
-- | |
| Memory Channels |
4
|
-- | |
| Maximum Memory |
128 GB
|
-- | |
| Max Bandwidth |
79 GB/s
|
-- | |
| PCIe Lanes |
44
|
-- | |
| Max CPUs |
1
|
-- | |
| TDP (lower is better) |
140 W
|
95 W
|
32.1% more |
| Process (lower is better) |
14 nm
|
45 nm
|
68.9% less |
| Specification | Core i9-7900X | Core 2 Quad Q9400 |
|---|---|---|
| Designer | Intel | Intel |
| Family | Core | -- |
| Series | i9-7000 | -- |
| Model Number | i9-7900X | -- |
| Microarchitecture | Skylake | -- |
| Core Name | Skylake | Yorkfield |
| Core Family | 6 | -- |
| Core Model | 85 | -- |
| Socket | Socket | Socket 775 |
| Package | FCLGA-2066 | FC-LGA6 |
| Chipset | Lewisburg | -- |
| Memory Type | DDR4-2666 | DDR1, DDR2, DDR3 |
| ECC Support | No | -- |
| PCIe Revision | 3.0 | -- |
| PCIe Configuration | x16, x8, x4 | -- |
| Market Segment | Desktop | Desktop |
| Release Price | $999.00 | -- |
| Locked Multiplier | No | Yes |
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 i9-7900X | Core 2 Quad Q9400 |
|---|---|---|
| Process | 14 nm | 45 nm |
| Die Area | -- | 81 mm² |
| Transistor Count | -- | 0.00 billion |
| Manufacturer | Intel | Intel |
| Technology | CMOS | -- |
| Word Size | 64-bit | -- |
| ISA | x86-64 (x86) | -- |
Process
Die Area
Transistor Count
Manufacturer
Technology
Word Size
ISA
Supported instruction set extensions comparison
| Extension | Core i9-7900X | Core 2 Quad Q9400 |
|---|---|---|
| ABM | ||
| ADX | ||
| AES | ||
| AVX | ||
| AVX-512 | ||
| AVX-512 | ||
| AVX2 | ||
| AVX512BW | ||
| AVX512CD | ||
| AVX512DQ | ||
| AVX512F | ||
| AVX512VL | ||
| BMI1 | ||
| BMI2 | ||
| CLMUL | ||
| EIST | ||
| EMMX | ||
| EPT | ||
| F16C | ||
| FMA | ||
| FMA3 | ||
| FPU | ||
| Flex Memory | ||
| HT | ||
| MMX | ||
| NX | ||
| Protected | ||
| RdRand | ||
| Real | ||
| SMM | ||
| SSE | ||
| SSE2 | ||
| SSE3 | ||
| SSE4.1 | ||
| SSE4.2 | ||
| SSSE3 | ||
| TBMT 3.0 | ||
| TBT 1.0 | ||
| TBT 2.0 | ||
| TSX | ||
| TXT | ||
| VT-d | ||
| VT-x | ||
| x86-16 | ||
| x86-32 | ||
| x86-64 |
Your experience on this site will be improved by allowing cookies.