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 #106
Rank #179
Ryzen 9 3900X wins by 6.1% (Rank #106 vs #179)
Out of 2,060 results in the database
Rank #92
Rank #818
Ryzen 9 3900X wins by 21.8% (Rank #92 vs #818)
Out of 2,060 results in the database
Rank #145
Rank #42
EPYC 7551P wins by 15.1% (Rank #145 vs #42)
Out of 1,771 results in the database
Rank #141
Rank #105
EPYC 7551P wins by 5.4% (Rank #141 vs #105)
Out of 1,771 results in the database
Rank #129
Rank #46
EPYC 7551P wins by 15.8% (Rank #129 vs #46)
Out of 1,771 results in the database
Rank #158
Rank #100
EPYC 7551P wins by 6.7% (Rank #158 vs #100)
Side-by-side comparison of key specifications
| Specification | Ryzen 9 3900X | EPYC 7551P | Diff |
|---|---|---|---|
| Cores |
12
|
32
|
-62.5% |
| Threads |
24
|
64
|
-62.5% |
| Base Frequency |
3,800 MHz
|
2,000 MHz
|
+47.4% |
| Turbo Frequency (1 core) | -- |
3,000 MHz
|
|
| Turbo Frequency (2 cores) | -- |
3,000 MHz
|
|
| Turbo Frequency (3 cores) | -- |
3,000 MHz
|
|
| Turbo Frequency (4 cores) | -- |
3,000 MHz
|
|
| Clock Multiplier |
38x
|
20x
|
+47.4% |
| L1 Cache |
768 KB
|
3,072 KB
|
-75% |
| L2 Cache |
6 MiB
|
16 MiB
|
-62.5% |
| L3 Cache |
64 MiB
|
64 MiB
|
0% |
| Memory Channels |
2
|
8
|
-75% |
| Maximum Memory |
128 GB
|
2,048 GB
|
-93.8% |
| Max Bandwidth |
48 GB/s
|
159 GB/s
|
-70% |
| PCIe Lanes |
20
|
-- | |
| Max CPUs |
1
|
1
|
0% |
| TDP (lower is better) |
105 W
|
180 W
|
41.7% less |
| Process (lower is better) |
7 nm
|
14 nm
|
50% less |
| Specification | Ryzen 9 3900X | EPYC 7551P |
|---|---|---|
| Designer | AMD | AMD |
| Family | Ryzen | EPYC |
| Series | 3000 | 7000 |
| Model Number | 3900X | 7551P |
| Microarchitecture | Zen 2 | Zen |
| Core Name | Matisse | Naples |
| Core Family | -- | 23 |
| Core Model | -- | 1 |
| Socket | Socket | Socket |
| Package | µOPGA-1331 | FCLGA-4094 |
| Memory Type | DDR4-3200 | DDR4-2666 |
| ECC Support | Yes | Yes |
| PCIe Revision | 4.0 | -- |
| PCIe Configuration | 1x16+x4, 2x8+x4, 1x8+2x4+x4 | -- |
| Market Segment | Desktop | Server |
| Release Price | $499.00 | $2,100.00 |
| Locked Multiplier | No | No |
Designer
Family
Series
Model Number
Microarchitecture
Core Name
Core Family
Core Model
Socket
Package
Memory Type
ECC Support
PCIe Revision
PCIe Configuration
Market Segment
Release Price
Locked Multiplier
Manufacturing process and die characteristics
| Specification | Ryzen 9 3900X | EPYC 7551P |
|---|---|---|
| Process | 7 nm | 14 nm |
| Die Area | 74 mm² | 213 mm² |
| Transistor Count | 7,600 | 19.20 billion |
| Manufacturer | TSMC | GlobalFoundries |
| 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
Supported instruction set extensions comparison
| Extension | Ryzen 9 3900X | EPYC 7551P |
|---|---|---|
| ABM | ||
| ADX | ||
| AES | ||
| AMD-V | ||
| AMD-Vi | ||
| AVX | ||
| AVX2 | ||
| BMI1 | ||
| BMI2 | ||
| Boost 2 | ||
| CLMUL | ||
| EMMX | ||
| F16C | ||
| FMA3 | ||
| FPU | ||
| MMX | ||
| NX | ||
| Protected | ||
| RdRand | ||
| Real | ||
| SEV | ||
| SHA | ||
| SME | ||
| SMEP | ||
| SMM | ||
| SMT | ||
| SSE | ||
| SSE2 | ||
| SSE3 | ||
| SSE4.1 | ||
| SSE4.2 | ||
| SSE4a | ||
| SSSE3 | ||
| SenseMI | ||
| TSME | ||
| XFR 2 | ||
| x86-16 | ||
| x86-32 | ||
| x86-64 |
Your experience on this site will be improved by allowing cookies.