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 #1,012
Core i9-7900X wins by 21.2% (Rank #207 vs #1012)
Out of 2,060 results in the database
Rank #225
Rank #982
Core i9-7900X wins by 19.5% (Rank #225 vs #982)
Out of 2,060 results in the database
Rank #216
Rank #1,038
Core i9-7900X wins by 23.9% (Rank #216 vs #1038)
Out of 1,771 results in the database
Rank #298
Rank #910
Core i9-7900X wins by 10.5% (Rank #298 vs #910)
Out of 1,771 results in the database
Rank #287
Rank #955
Core i9-7900X wins by 13.1% (Rank #287 vs #955)
Out of 1,771 results in the database
Rank #226
Rank #934
Core i9-7900X wins by 13.9% (Rank #226 vs #934)
Side-by-side comparison of key specifications
| Specification | Core i9-7900X | Core i5-3450S | Diff |
|---|---|---|---|
| Cores |
10
|
4
|
+60% |
| Threads |
20
|
4
|
+80% |
| Base Frequency |
3,300 MHz
|
2,800 MHz
|
+15.2% |
| Turbo Frequency (1 core) |
4,300 MHz
|
-- | |
| Turbo Frequency (2 cores) |
4,300 MHz
|
-- | |
| Clock Multiplier |
33x
|
-- | |
| L1 Cache |
640 KB
|
-- | |
| L2 Cache |
10 MiB
|
-- | |
| L3 Cache |
14 MiB
|
-- | |
| Memory Channels |
4
|
2
|
+50% |
| Maximum Memory |
128 GB
|
0 GB
|
+100% |
| Max Bandwidth |
79 GB/s
|
26 GB/s
|
+67.8% |
| PCIe Lanes |
44
|
16
|
+63.6% |
| Max CPUs |
1
|
1
|
0% |
| TDP (lower is better) |
140 W
|
65 W
|
53.6% more |
| Process (lower is better) |
14 nm
|
22 nm
|
36.4% less |
| Specification | Core i9-7900X | Core i5-3450S |
|---|---|---|
| Designer | Intel | Intel |
| Family | Core | -- |
| Series | i9-7000 | -- |
| Model Number | i9-7900X | i5-3450S |
| Microarchitecture | Skylake | -- |
| Core Name | Skylake | -- |
| Core Family | 6 | -- |
| Core Model | 85 | -- |
| Socket | Socket | FCLGA1155 |
| Package | FCLGA-2066 | -- |
| Chipset | Lewisburg | -- |
| Memory Type | DDR4-2666 | DDR3 1333/1600 |
| ECC Support | No | No |
| PCIe Revision | 3.0 | 3.0 |
| PCIe Configuration | x16, x8, x4 | up to 1x16, 2x8, 1x8 & 2x4 |
| Market Segment | Desktop | -- |
| Release Price | $999.00 | -- |
| Locked Multiplier | 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 i9-7900X | Core i5-3450S |
|---|---|---|
| Process | 14 nm | 22 nm |
| Manufacturer | Intel | -- |
| Technology | CMOS | -- |
| Word Size | 64-bit | 64-bit |
| ISA | x86-64 (x86) | -- |
Process
Manufacturer
Technology
Word Size
ISA
Integrated GPU specifications comparison
| Specification | Core i9-7900X | Core i5-3450S |
|---|---|---|
| GPU | -- | HD Graphics 2500 |
| GPU Designer | -- | Intel |
| GPU Max Frequency | -- | 1100 MHz |
GPU
GPU Designer
GPU Max Frequency
Supported instruction set extensions comparison
| Extension | Core i9-7900X | Core i5-3450S |
|---|---|---|
| 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 | ||
| IPT | ||
| MMX | ||
| NX | ||
| Protected | ||
| RdRand | ||
| Real | ||
| SIPP | ||
| SMEP | ||
| SMM | ||
| SSE | ||
| SSE2 | ||
| SSE3 | ||
| SSE4.1 | ||
| SSE4.2 | ||
| SSSE3 | ||
| Secure Key | ||
| TBMT 3.0 | ||
| TBT 1.0 | ||
| TBT 2.0 | ||
| TSX | ||
| TXT | ||
| VT-d | ||
| VT-x | ||
| vPro | ||
| x86-16 | ||
| x86-32 | ||
| x86-64 |
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