AMD Athlon II X2 265 vs Intel Core 2 Duo P8400

Head-to-head processor comparison

Aggregated Scores

Combined benchmark scores for both processors


Overall Score

Out of 2,060 results in the database

4,489

Rank #1,295

vs
4,109

Rank #1,791

4,489
4,109

Athlon II X2 265 wins by 8.5% (Rank #1295 vs #1791)

Singlecore Score

Out of 2,060 results in the database

4,533

Rank #1,261

vs
4,078

Rank #1,698

4,533
4,078

Athlon II X2 265 wins by 10% (Rank #1261 vs #1698)

Multicore Score

Out of 2,060 results in the database

4,422

Rank #1,404

vs
4,155

Rank #2,032

4,422
4,155

Athlon II X2 265 wins by 6% (Rank #1404 vs #2032)

Number Crunching

Out of 1,771 results in the database

4,494

Rank #1,576

vs
--

Number Crunching not available for both processors.

Data Processing

Out of 1,771 results in the database

4,476

Rank #1,477

vs
--

Data Processing not available for both processors.

Physics & Compute

Out of 1,771 results in the database

4,473

Rank #1,577

vs
--

Physics & Compute not available for both processors.


Specifications

Side-by-side comparison of key specifications


Specification Athlon II X2 265 Core 2 Duo P8400 Diff
Cores
2
2
0%
Threads
2
4
-50%
Base Frequency
3,330 MHz
2,260 MHz
+32.1%
Clock Multiplier
17x
9x
+48.5%
L1 Cache --
62 KB
L2 Cache --
3 MiB
Memory Channels
2
2
0%
Maximum Memory
0 GB
0 GB
+75%
Max Bandwidth
17 GB/s
26 GB/s
-33.6%
PCIe Lanes
12
4
+66.7%
Max CPUs
1
1
0%
TDP (lower is better)
65 W
25 W
61.5% more
Process (lower is better)
45 nm
45 nm
0%

General Information

Specification Athlon II X2 265 Core 2 Duo P8400
Designer AMD Intel
Model Number E8600 P8400
Core Name Regor Penryn
Socket LGA775 BGA479, PGA478
Package µPGA µFC-PGA8
Memory Type DDR3 1066 DDR3L 1333
ECC Support No No
PCIe Revision 2.0 2.0
PCIe Configuration x1 (6), x2 (4), x4 (3) X4, X2, X1
Market Segment Desktop Mobile
Locked Multiplier Yes Yes

Designer

Athlon II X2 265
AMD
Core 2 Duo P8400
Intel

Model Number

Athlon II X2 265
E8600
Core 2 Duo P8400
P8400

Core Name

Athlon II X2 265
Regor
Core 2 Duo P8400
Penryn

Socket

Athlon II X2 265
LGA775
Core 2 Duo P8400
BGA479, PGA478

Package

Athlon II X2 265
µPGA
Core 2 Duo P8400
µFC-PGA8

Memory Type

Athlon II X2 265
DDR3 1066
Core 2 Duo P8400
DDR3L 1333

ECC Support

Athlon II X2 265
No
Core 2 Duo P8400
No

PCIe Revision

Athlon II X2 265
2.0
Core 2 Duo P8400
2.0

PCIe Configuration

Athlon II X2 265
x1 (6), x2 (4), x4 (3)
Core 2 Duo P8400
X4, X2, X1

Market Segment

Athlon II X2 265
Desktop
Core 2 Duo P8400
Mobile

Locked Multiplier

Athlon II X2 265
Yes
Core 2 Duo P8400
Yes

Physical Specifications

Manufacturing process and die characteristics


Specification Athlon II X2 265 Core 2 Duo P8400
Process 45 nm 45 nm
Die Area 117 mm² 81 mm²
Transistor Count 0.00 billion 0.00 billion
Manufacturer -- Intel
Word Size 64-bit 64-bit

Process

Athlon II X2 265
45 nm
Core 2 Duo P8400
45 nm

Die Area

Athlon II X2 265
117 mm²
Core 2 Duo P8400
81 mm²

Transistor Count

Athlon II X2 265
0.00 billion
Core 2 Duo P8400
0.00 billion

Manufacturer

Athlon II X2 265
--
Core 2 Duo P8400
Intel

Word Size

Athlon II X2 265
64-bit
Core 2 Duo P8400
64-bit

Integrated Graphics

Integrated GPU specifications comparison


Specification Athlon II X2 265 Core 2 Duo P8400
GPU HD Graphics HD Graphics
GPU Designer Intel Intel
GPU Max Frequency 1000 MHz 854 MHz

GPU

Athlon II X2 265
HD Graphics
Core 2 Duo P8400
HD Graphics

GPU Designer

Athlon II X2 265
Intel
Core 2 Duo P8400
Intel

GPU Max Frequency

Athlon II X2 265
1000 MHz
Core 2 Duo P8400
854 MHz

CPU Extensions

Supported instruction set extensions comparison


Extension Athlon II X2 265 Core 2 Duo P8400
3DNow!
AES
AMD-V
AVX2
EIST
EPT
FMA
Flex Memory
HT
IPT
MMX
SIPP
SMEP
SSE
SSE2
SSE3
SSE4.1
SSE4.2
SSE4a
SSSE3
Secure Key
TSX
TXT
VT-d
VT-x
vPro
x86-64