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 #1,053
Rank #1,467
Core i5-4258U wins by 8.6% (Rank #1053 vs #1467)
Out of 2,060 results in the database
Rank #978
Rank #1,548
Core i5-4258U wins by 14.3% (Rank #978 vs #1548)
Out of 2,060 results in the database
Rank #1,235
Rank #1,175
Phenom II X4 940 wins by 0.8% (Rank #1235 vs #1175)
Out of 1,771 results in the database
Rank #1,294
Rank #1,258
Phenom II X4 940 wins by 0.1% (Rank #1294 vs #1258)
Out of 1,771 results in the database
Rank #1,253
Rank #1,129
Phenom II X4 940 wins by 0.5% (Rank #1253 vs #1129)
Out of 1,771 results in the database
Rank #1,158
Rank #1,361
Core i5-4258U wins by 0.7% (Rank #1158 vs #1361)
Side-by-side comparison of key specifications
| Specification | Core i5-4258U | Phenom II X4 940 | Diff |
|---|---|---|---|
| Cores |
2
|
2
|
0% |
| Threads |
4
|
2
|
+50% |
| Base Frequency |
2,400 MHz
|
2,800 MHz
|
-14.3% |
| Memory Channels |
2
|
2
|
0% |
| Maximum Memory |
0 GB
|
0 GB
|
-50% |
| Max Bandwidth |
26 GB/s
|
21 GB/s
|
+16.8% |
| PCIe Lanes |
12
|
16
|
-25% |
| Max CPUs |
1
|
1
|
0% |
| TDP (lower is better) |
28 W
|
53 W
|
47.2% less |
| Process (lower is better) |
22 nm
|
22 nm
|
0% |
| Specification | Core i5-4258U | Phenom II X4 940 |
|---|---|---|
| Designer | Intel | AMD |
| Model Number | i5-4258U | G1840 |
| Socket | FCBGA1168 | FCLGA1150 |
| Memory Type | DDR3L 1333/1600 | DDR3-1333, DDR3L-1333 @ 1.5V |
| ECC Support | No | Yes |
| PCIe Revision | 2.0 | Up to 3.0 |
| PCIe Configuration | 4x1, 2x4 | Up to 1x16, 2x8, 1x8+2x4 |
Designer
Model Number
Socket
Memory Type
ECC Support
PCIe Revision
PCIe Configuration
Manufacturing process and die characteristics
| Specification | Core i5-4258U | Phenom II X4 940 |
|---|---|---|
| Process | 22 nm | 22 nm |
| Word Size | 64-bit | 64-bit |
Process
Word Size
Integrated GPU specifications comparison
| Specification | Core i5-4258U | Phenom II X4 940 |
|---|---|---|
| GPU | Iris™ Graphics 5100 | HD Graphics |
| GPU Designer | Intel | Intel |
| GPU Max Frequency | 1100 MHz | 1050 MHz |
GPU
GPU Designer
GPU Max Frequency
Supported instruction set extensions comparison
| Extension | Core i5-4258U | Phenom II X4 940 |
|---|---|---|
| AES | ||
| AVX2 | ||
| EIST | ||
| EPT | ||
| FMA | ||
| Flex Memory | ||
| HT | ||
| IPT | ||
| SIPP | ||
| SMEP | ||
| SSE4.1 | ||
| SSE4.2 | ||
| Secure Key | ||
| TSX | ||
| TXT | ||
| VT-d | ||
| VT-x | ||
| vPro | ||
| x86-64 |
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