AMD Ryzen 9 3900X vs AMD Athlon II X2 255

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
4,281

Rank #1,547

6,609
4,281

Ryzen 9 3900X wins by 35.2% (Rank #106 vs #1547)

Singlecore Score

Out of 2,060 results in the database

6,633

Rank #92

vs
4,252

Rank #1,530

6,633
4,252

Ryzen 9 3900X wins by 35.9% (Rank #92 vs #1530)

Multicore Score

Out of 2,060 results in the database

6,572

Rank #145

vs
4,324

Rank #1,676

6,572
4,324

Ryzen 9 3900X wins by 34.2% (Rank #145 vs #1676)

Number Crunching

Out of 1,771 results in the database

5,678

Rank #141

vs
4,487

Rank #1,624

5,678
4,487

Ryzen 9 3900X wins by 21% (Rank #141 vs #1624)

Data Processing

Out of 1,771 results in the database

5,872

Rank #129

vs
4,471

Rank #1,522

5,872
4,471

Ryzen 9 3900X wins by 23.9% (Rank #129 vs #1522)

Physics & Compute

Out of 1,771 results in the database

5,617

Rank #158

vs
4,468

Rank #1,617

5,617
4,468

Ryzen 9 3900X wins by 20.5% (Rank #158 vs #1617)


Specifications

Side-by-side comparison of key specifications


Specification Ryzen 9 3900X Athlon II X2 255 Diff
Cores
12
2
+83.3%
Threads
24
4
+83.3%
Base Frequency
3,800 MHz
3,160 MHz
+16.8%
Clock Multiplier
38x
16x
+59.2%
L1 Cache
768 KB
--
L2 Cache
6 MiB
--
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
65 W
38.1% more
Process (lower is better)
7 nm
45 nm
84.4% less

General Information

Specification Ryzen 9 3900X Athlon II X2 255
Designer AMD AMD
Family Ryzen --
Series 3000 --
Model Number 3900X E8500
Microarchitecture Zen 2 --
Core Name Matisse Regor
Socket Socket LGA775
Package µOPGA-1331 µPGA
Memory Type DDR4-3200 LPDDR3 1333/1600; DDR3L/DDR3L-RS 1600
ECC Support Yes No
PCIe Revision 4.0 2.0
PCIe Configuration 1x16+x4, 2x8+x4, 1x8+2x4+x4 x1 (6), x2 (4), x4 (3)
Market Segment Desktop Desktop
Release Price $499.00 --
Locked Multiplier No Yes

Designer

Ryzen 9 3900X
AMD
Athlon II X2 255
AMD

Family

Ryzen 9 3900X
Ryzen
Athlon II X2 255
--

Series

Ryzen 9 3900X
3000
Athlon II X2 255
--

Model Number

Ryzen 9 3900X
3900X
Athlon II X2 255
E8500

Microarchitecture

Ryzen 9 3900X
Zen 2
Athlon II X2 255
--

Core Name

Ryzen 9 3900X
Matisse
Athlon II X2 255
Regor

Socket

Ryzen 9 3900X
Socket
Athlon II X2 255
LGA775

Package

Ryzen 9 3900X
µOPGA-1331
Athlon II X2 255
µPGA

Memory Type

Ryzen 9 3900X
DDR4-3200
Athlon II X2 255
LPDDR3 1333/1600; DDR3L/DDR3L-RS 1600

ECC Support

Ryzen 9 3900X
Yes
Athlon II X2 255
No

PCIe Revision

Ryzen 9 3900X
4.0
Athlon II X2 255
2.0

PCIe Configuration

Ryzen 9 3900X
1x16+x4, 2x8+x4, 1x8+2x4+x4
Athlon II X2 255
x1 (6), x2 (4), x4 (3)

Market Segment

Ryzen 9 3900X
Desktop
Athlon II X2 255
Desktop

Release Price

Ryzen 9 3900X
$499.00
Athlon II X2 255
--

Locked Multiplier

Ryzen 9 3900X
No
Athlon II X2 255
Yes

Physical Specifications

Manufacturing process and die characteristics


Specification Ryzen 9 3900X Athlon II X2 255
Process 7 nm 45 nm
Die Area 74 mm² 117 mm²
Transistor Count 7,600 0.00 billion
Manufacturer TSMC --
Technology CMOS --
Word Size 64-bit 64-bit
ISA x86-64 (x86) --

Process

Ryzen 9 3900X
7 nm
Athlon II X2 255
45 nm

Die Area

Ryzen 9 3900X
74 mm²
Athlon II X2 255
117 mm²

Transistor Count

Ryzen 9 3900X
7,600
Athlon II X2 255
0.00 billion

Manufacturer

Ryzen 9 3900X
TSMC
Athlon II X2 255
--

Technology

Ryzen 9 3900X
CMOS
Athlon II X2 255
--

Word Size

Ryzen 9 3900X
64-bit
Athlon II X2 255
64-bit

ISA

Ryzen 9 3900X
x86-64 (x86)
Athlon II X2 255
--

Integrated Graphics

Integrated GPU specifications comparison


Specification Ryzen 9 3900X Athlon II X2 255
GPU -- HD Graphics 5300
GPU Designer -- Intel
GPU Max Frequency -- 900 MHz

GPU

Ryzen 9 3900X
--
Athlon II X2 255
HD Graphics 5300

GPU Designer

Ryzen 9 3900X
--
Athlon II X2 255
Intel

GPU Max Frequency

Ryzen 9 3900X
--
Athlon II X2 255
900 MHz

CPU Extensions

Supported instruction set extensions comparison


Extension Ryzen 9 3900X Athlon II X2 255
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