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 #327
Rank #1,594
EPYC 7542 wins by 26.5% (Rank #327 vs #1594)
Out of 2,060 results in the database
Rank #731
Rank #1,539
EPYC 7542 wins by 19.9% (Rank #731 vs #1539)
Out of 2,060 results in the database
Rank #151
Rank #1,854
EPYC 7542 wins by 34.6% (Rank #151 vs #1854)
Out of 1,771 results in the database
Rank #66
Rank #1,251
EPYC 7542 wins by 30.6% (Rank #66 vs #1251)
Out of 1,771 results in the database
Rank #30
Rank #1,121
EPYC 7542 wins by 37.5% (Rank #30 vs #1121)
Out of 1,771 results in the database
Rank #53
Rank #1,318
EPYC 7542 wins by 32.9% (Rank #53 vs #1318)
Side-by-side comparison of key specifications
| Specification | EPYC 7542 | Phenom II X4 945 | Diff |
|---|---|---|---|
| Cores |
32
|
4
|
+87.5% |
| Threads |
64
|
8
|
+87.5% |
| Base Frequency |
2,900 MHz
|
2,260 MHz
|
+22.1% |
| Clock Multiplier |
29x
|
15x
|
+48.3% |
| L1 Cache |
2,048 KB
|
125 KB
|
+93.9% |
| L2 Cache |
16 MiB
|
0 MiB
|
+97% |
| L3 Cache |
128 MiB
|
6 MiB
|
+95.5% |
| Memory Channels |
8
|
3
|
+62.5% |
| Maximum Memory |
4,096 GB
|
0 GB
|
+100% |
| Max Bandwidth |
191 GB/s
|
26 GB/s
|
+86.6% |
| PCIe Lanes |
128
|
12
|
+90.6% |
| Max CPUs |
2
|
2
|
0% |
| TDP (lower is better) |
225 W
|
80 W
|
64.4% more |
| Process (lower is better) |
7 nm
|
45 nm
|
84.4% less |
| Specification | EPYC 7542 | Phenom II X4 945 |
|---|---|---|
| Designer | AMD | AMD |
| Family | EPYC | -- |
| Series | 7002 | -- |
| Model Number | 7542 | E5520 |
| Microarchitecture | Zen 2 | -- |
| Core Name | Rome | Deneb |
| Core Family | 23 | -- |
| Socket | Socket SP3 and LGA-4094 | FCLGA1366 |
| Package | FCLGA-4094 | µPGA |
| Memory Type | DDR4-3200 | DDR3 800/1066 |
| ECC Support | Yes | Yes |
| PCIe Revision | 4.0 | 3.0 |
| PCIe Configuration | x16, x8 | 1x4, 2x2, 1x2+2x1 and 4x1 |
| Market Segment | Server | Desktop |
| Release Price | $3,400.00 | -- |
| Locked Multiplier | Yes | Yes |
Designer
Family
Series
Model Number
Microarchitecture
Core Name
Core Family
Socket
Package
Memory Type
ECC Support
PCIe Revision
PCIe Configuration
Market Segment
Release Price
Locked Multiplier
Manufacturing process and die characteristics
| Specification | EPYC 7542 | Phenom II X4 945 |
|---|---|---|
| Process | 7 nm | 45 nm |
| Die Area | 192 mm² | 258 mm² |
| Transistor Count | 3,800 | 0.00 billion |
| Manufacturer | TSMC and GlobalFoundries | GlobalFoundries |
| Technology | CMOS | -- |
| Word Size | 64-bit | 64-bit |
| ISA | x86-64 (x86) | -- |
Process
Die Area
Transistor Count
Manufacturer
Technology
Word Size
ISA
Integrated GPU specifications comparison
| Specification | EPYC 7542 | Phenom II X4 945 |
|---|---|---|
| GPU | -- | HD Graphics 620 |
| GPU Designer | -- | Intel |
| GPU Max Frequency | -- | 1000 MHz |
GPU
GPU Designer
GPU Max Frequency
Supported instruction set extensions comparison
| Extension | EPYC 7542 | Phenom II X4 945 |
|---|---|---|
| 3DNow! | ||
| ABM | ||
| ADX | ||
| AES | ||
| AMD-V | ||
| AMD-Vi | ||
| AVX | ||
| AVX-512 | ||
| AVX2 | ||
| AVX512BW | ||
| AVX512CD | ||
| AVX512DQ | ||
| AVX512F | ||
| AVX512VL | ||
| AVX512_VNNI | ||
| BMI1 | ||
| BMI2 | ||
| Boost 2 | ||
| CLMUL | ||
| DL Boost | ||
| EIST | ||
| EMMX | ||
| EPT | ||
| F16C | ||
| FMA | ||
| FMA3 | ||
| FPU | ||
| Flex Memory | ||
| HT | ||
| IPT | ||
| KPT | ||
| MBE Ctrl | ||
| MMX | ||
| NM | ||
| NX | ||
| Node Ctrlr | ||
| PTT | ||
| Protected | ||
| RdRand | ||
| Real | ||
| Run Sure | ||
| SEV | ||
| SHA | ||
| SIPP | ||
| SME | ||
| SMEP | ||
| SMM | ||
| SMT | ||
| SSE | ||
| SSE2 | ||
| SSE3 | ||
| SSE4.1 | ||
| SSE4.2 | ||
| SSE4a | ||
| SSSE3 | ||
| SST | ||
| Secure Key | ||
| SenseMI | ||
| TBT 2.0 | ||
| TSME | ||
| TSX | ||
| TXT | ||
| VMD | ||
| VT-d | ||
| VT-x | ||
| vPro | ||
| x86-16 | ||
| x86-32 | ||
| x86-64 |
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