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 #151
Rank #1,684
Core i9-7940X wins by 33.4% (Rank #151 vs #1684)
Out of 2,060 results in the database
Rank #237
Rank #1,837
Core i9-7940X wins by 36.1% (Rank #237 vs #1837)
Out of 2,060 results in the database
Rank #141
Rank #1,027
Core i9-7940X wins by 29.7% (Rank #141 vs #1027)
Out of 1,771 results in the database
Rank #216
Rank #1,675
Core i9-7940X wins by 16.7% (Rank #216 vs #1675)
Out of 1,771 results in the database
Rank #195
Rank #1,694
Core i9-7940X wins by 19.7% (Rank #195 vs #1694)
Out of 1,771 results in the database
Rank #170
Rank #1,640
Core i9-7940X wins by 19.8% (Rank #170 vs #1640)
Side-by-side comparison of key specifications
| Specification | Core i9-7940X | Celeron B800 | Diff |
|---|---|---|---|
| Cores |
14
|
2
|
+85.7% |
| Threads |
28
|
2
|
+92.9% |
| Base Frequency |
3,100 MHz
|
1,500 MHz
|
+51.6% |
| Turbo Frequency (1 core) |
4,300 MHz
|
-- | |
| Turbo Frequency (2 cores) |
4,300 MHz
|
-- | |
| Clock Multiplier |
31x
|
15x
|
+51.6% |
| L1 Cache |
896 KB
|
128 KB
|
+85.7% |
| L2 Cache |
14 MiB
|
1 MiB
|
+96.4% |
| L3 Cache |
19 MiB
|
2 MiB
|
+89.6% |
| Memory Channels |
4
|
2
|
+50% |
| Maximum Memory |
128 GB
|
16 GB
|
+87.5% |
| Max Bandwidth |
79 GB/s
|
20 GB/s
|
+75% |
| PCIe Lanes |
44
|
16
|
+63.6% |
| Max CPUs |
1
|
1
|
0% |
| TDP (lower is better) |
165 W
|
35 W
|
78.8% more |
| Process (lower is better) |
14 nm
|
32 nm
|
56.3% less |
| Specification | Core i9-7940X | Celeron B800 |
|---|---|---|
| Designer | Intel | Intel |
| Family | Core | Celeron |
| Series | i9-7900 | 800 |
| Model Number | i9-7940X | B800 |
| Microarchitecture | Skylake | Sandy Bridge |
| Core Name | Skylake | Sandy Bridge M |
| Core Family | 6 | 6 |
| Core Model | 85 | 42 |
| Socket | Socket | Socket |
| Package | FCLGA-2066 | rPGA988B |
| Chipset | Lewisburg | Cougar |
| Memory Type | DDR4-2666 | DDR3-1333 and DDR3-1066 |
| ECC Support | No | No |
| PCIe Revision | 3.0 | 2.0 |
| PCIe Configuration | x16, x8, x4 | 1x16, 2x8, 1x8+2x4 |
| Market Segment | Desktop | Mobile |
| Release Price | $1,399.00 | $80.00 |
| 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 i9-7940X | Celeron B800 |
|---|---|---|
| Process | 14 nm | 32 nm |
| Die Area | 484 mm² | 131 mm² |
| Transistor Count | -- | 0.50 billion |
| Manufacturer | Intel | Intel |
| Technology | CMOS | CMOS |
| Word Size | 64-bit | 64-bit |
| ISA | x86-64 (x86) | x86-64 (x86) |
Process
Die Area
Transistor Count
Manufacturer
Technology
Word Size
ISA
Integrated GPU specifications comparison
| Specification | Core i9-7940X | Celeron B800 |
|---|---|---|
| GPU | -- | HD |
| GPU Designer | -- | Intel |
| GPU Max Frequency | -- | 1000 MHz |
| Execution Units | -- | 6 |
GPU
GPU Designer
GPU Max Frequency
Execution Units
Supported instruction set extensions comparison
| Extension | Core i9-7940X | Celeron B800 |
|---|---|---|
| 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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