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 #1,394
Ryzen 9 3900X wins by 33.4% (Rank #106 vs #1394)
Out of 2,060 results in the database
Rank #92
Rank #1,464
Ryzen 9 3900X wins by 34.7% (Rank #92 vs #1464)
Out of 2,060 results in the database
Rank #145
Rank #1,201
Ryzen 9 3900X wins by 31.3% (Rank #145 vs #1201)
Out of 1,771 results in the database
Rank #141
Rank #1,302
Ryzen 9 3900X wins by 20.2% (Rank #141 vs #1302)
Out of 1,771 results in the database
Rank #129
Rank #1,079
Ryzen 9 3900X wins by 22.6% (Rank #129 vs #1079)
Out of 1,771 results in the database
Rank #158
Rank #1,347
Ryzen 9 3900X wins by 19.7% (Rank #158 vs #1347)
Side-by-side comparison of key specifications
| Specification | Ryzen 9 3900X | Phenom II X4 840 | Diff |
|---|---|---|---|
| Cores |
12
|
2
|
+83.3% |
| Threads |
24
|
4
|
+83.3% |
| Base Frequency |
3,800 MHz
|
1,800 MHz
|
+52.6% |
| Clock Multiplier |
38x
|
16x
|
+57.9% |
| L1 Cache |
768 KB
|
125 KB
|
+83.7% |
| L2 Cache |
6 MiB
|
0 MiB
|
+91.9% |
| L3 Cache |
64 MiB
|
-- | |
| Memory Channels |
2
|
2
|
0% |
| Maximum Memory |
128 GB
|
0 GB
|
+100% |
| Max Bandwidth |
48 GB/s
|
26 GB/s
|
+46.3% |
| PCIe Lanes |
20
|
12
|
+40% |
| Max CPUs |
1
|
1
|
0% |
| TDP (lower is better) |
105 W
|
15 W
|
85.7% more |
| Process (lower is better) |
7 nm
|
22 nm
|
68.2% less |
| Specification | Ryzen 9 3900X | Phenom II X4 840 |
|---|---|---|
| Designer | AMD | AMD |
| Family | Ryzen | -- |
| Series | 3000 | -- |
| Model Number | 3900X | i7-4500U |
| Microarchitecture | Zen 2 | -- |
| Core Name | Matisse | Propus |
| Socket | Socket | FCBGA1168 |
| Package | µOPGA-1331 | µPGA |
| Memory Type | DDR4-3200 | DDR3L 1333/1600, LPDDR3 1333/1600 |
| ECC Support | Yes | No |
| PCIe Revision | 4.0 | 2.0 |
| PCIe Configuration | 1x16+x4, 2x8+x4, 1x8+2x4+x4 | 4x1, 2x4 |
| Market Segment | Desktop | Desktop |
| Release Price | $499.00 | -- |
| Locked Multiplier | No | Yes |
Designer
Family
Series
Model Number
Microarchitecture
Core Name
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 | Phenom II X4 840 |
|---|---|---|
| Process | 7 nm | 22 nm |
| Die Area | 74 mm² | 169 mm² |
| Transistor Count | 7,600 | 0.00 billion |
| Manufacturer | TSMC | 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 | Ryzen 9 3900X | Phenom II X4 840 |
|---|---|---|
| GPU | -- | HD Graphics 4400 |
| GPU Designer | -- | Intel |
| GPU Max Frequency | -- | 1100 MHz |
GPU
GPU Designer
GPU Max Frequency
Supported instruction set extensions comparison
| Extension | Ryzen 9 3900X | Phenom II X4 840 |
|---|---|---|
| 3DNow! | ||
| ABM | ||
| ADX | ||
| AES | ||
| AMD-V | ||
| AMD-Vi | ||
| AVX | ||
| AVX2 | ||
| BMI1 | ||
| BMI2 | ||
| Boost 2 | ||
| CLMUL | ||
| EIST | ||
| EMMX | ||
| EPT | ||
| F16C | ||
| FMA | ||
| FMA3 | ||
| FPU | ||
| Flex Memory | ||
| HT | ||
| IPT | ||
| MMX | ||
| NX | ||
| Protected | ||
| RdRand | ||
| Real | ||
| SHA | ||
| SIPP | ||
| SMEP | ||
| SMM | ||
| SMT | ||
| SSE | ||
| SSE2 | ||
| SSE3 | ||
| SSE4.1 | ||
| SSE4.2 | ||
| SSE4a | ||
| SSSE3 | ||
| Secure Key | ||
| SenseMI | ||
| TSX | ||
| TXT | ||
| VT-d | ||
| VT-x | ||
| XFR 2 | ||
| vPro | ||
| x86-16 | ||
| x86-32 | ||
| x86-64 |
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