AMD Ryzen 9 3900X vs AMD Phenom X4 9650

Head-to-head processor comparison

Aggregated Scores

Combined benchmark scores for both processors


Overall Score

Out of 2,060 results in the database

6,609

Rank #106

vs
3,989

Rank #1,900

6,609
3,989

Ryzen 9 3900X wins by 39.6% (Rank #106 vs #1900)

Singlecore Score

Out of 2,060 results in the database

6,633

Rank #92

vs
3,766

Rank #1,912

6,633
3,766

Ryzen 9 3900X wins by 43.2% (Rank #92 vs #1912)

Multicore Score

Out of 2,060 results in the database

6,572

Rank #145

vs
4,323

Rank #1,679

6,572
4,323

Ryzen 9 3900X wins by 34.2% (Rank #145 vs #1679)

Number Crunching

Out of 1,771 results in the database

5,678

Rank #141

vs
--

Number Crunching not available for both processors.

Data Processing

Out of 1,771 results in the database

5,872

Rank #129

vs
--

Data Processing not available for both processors.

Physics & Compute

Out of 1,771 results in the database

5,617

Rank #158

vs
--

Physics & Compute not available for both processors.


Specifications

Side-by-side comparison of key specifications


Specification Ryzen 9 3900X Phenom X4 9650 Diff
Cores
12
4
+66.7%
Threads
24
4
+83.3%
Base Frequency
3,800 MHz
2,300 MHz
+39.5%
Clock Multiplier
38x
12x
+69.7%
L1 Cache
768 KB
125 KB
+83.7%
L2 Cache
6 MiB
0 MiB
+91.9%
L3 Cache
64 MiB
2 MiB
+97%
Memory Channels
2
--
Maximum Memory
128 GB
--
Max Bandwidth
48 GB/s
--
PCIe Lanes
20
--
Max CPUs
1
--
TDP (lower is better)
105 W
95 W
9.5% more
Process (lower is better)
7 nm
65 nm
89.2% less

General Information

Specification Ryzen 9 3900X Phenom X4 9650
Designer AMD AMD
Family Ryzen --
Series 3000 --
Model Number 3900X --
Microarchitecture Zen 2 --
Core Name Matisse Agena
Socket Socket Socket AM2+
Package µOPGA-1331 µPGA
Memory Type DDR4-3200 --
ECC Support Yes --
PCIe Revision 4.0 --
PCIe Configuration 1x16+x4, 2x8+x4, 1x8+2x4+x4 --
Market Segment Desktop Desktop
Release Price $499.00 --
Locked Multiplier No Yes

Designer

Ryzen 9 3900X
AMD
Phenom X4 9650
AMD

Family

Ryzen 9 3900X
Ryzen
Phenom X4 9650
--

Series

Ryzen 9 3900X
3000
Phenom X4 9650
--

Model Number

Ryzen 9 3900X
3900X
Phenom X4 9650
--

Microarchitecture

Ryzen 9 3900X
Zen 2
Phenom X4 9650
--

Core Name

Ryzen 9 3900X
Matisse
Phenom X4 9650
Agena

Socket

Ryzen 9 3900X
Socket
Phenom X4 9650
Socket AM2+

Package

Ryzen 9 3900X
µOPGA-1331
Phenom X4 9650
µPGA

Memory Type

Ryzen 9 3900X
DDR4-3200
Phenom X4 9650
--

ECC Support

Ryzen 9 3900X
Yes
Phenom X4 9650
--

PCIe Revision

Ryzen 9 3900X
4.0
Phenom X4 9650
--

PCIe Configuration

Ryzen 9 3900X
1x16+x4, 2x8+x4, 1x8+2x4+x4
Phenom X4 9650
--

Market Segment

Ryzen 9 3900X
Desktop
Phenom X4 9650
Desktop

Release Price

Ryzen 9 3900X
$499.00
Phenom X4 9650
--

Locked Multiplier

Ryzen 9 3900X
No
Phenom X4 9650
Yes

Physical Specifications

Manufacturing process and die characteristics


Specification Ryzen 9 3900X Phenom X4 9650
Process 7 nm 65 nm
Die Area 74 mm² 285 mm²
Transistor Count 7,600 0.00 billion
Manufacturer TSMC --
Technology CMOS --
Word Size 64-bit --
ISA x86-64 (x86) --

Process

Ryzen 9 3900X
7 nm
Phenom X4 9650
65 nm

Die Area

Ryzen 9 3900X
74 mm²
Phenom X4 9650
285 mm²

Transistor Count

Ryzen 9 3900X
7,600
Phenom X4 9650
0.00 billion

Manufacturer

Ryzen 9 3900X
TSMC
Phenom X4 9650
--

Technology

Ryzen 9 3900X
CMOS
Phenom X4 9650
--

Word Size

Ryzen 9 3900X
64-bit
Phenom X4 9650
--

ISA

Ryzen 9 3900X
x86-64 (x86)
Phenom X4 9650
--

CPU Extensions

Supported instruction set extensions comparison


Extension Ryzen 9 3900X Phenom X4 9650
3DNow!
ABM
ADX
AES
AMD-V
AMD-Vi
AVX
AVX2
BMI1
BMI2
Boost 2
CLMUL
EMMX
F16C
FMA3
FPU
MMX
NX
Protected
RdRand
Real
SHA
SMEP
SMM
SMT
SSE
SSE2
SSE3
SSE4.1
SSE4.2
SSE4a
SSSE3
SenseMI
XFR 2
x86-16
x86-32
x86-64