CPU Comparison

A

AMD

AMD

AMD Athlon II X4 645

CORE STATE Propus

CORE SPECS 4 Cores / 4 Threads

CLOCK SPEED 3.1 Base

CACHE —

MAX TDP 95W

ARCHITECTURE K10

nm

PROCESS 45 nm

LAUNCH DATE 2010

VS

i

Intel

INTEL

Core i7-2820QM

CORE STATE Sandy Bridge

CORE SPECS 4 Cores / 8 Threads

CLOCK SPEED 2.3 Base / 3.4 GHz Turbo

CACHE 8 MB (shared)

MAX TDP 45W

ARCHITECTURE Sandy Bridge

nm

PROCESS 32 nm

LAUNCH DATE 2011

PERFORMANCE BENCHMARKS

cinebench_cinebench_r15_multicore

203

375

cinebench_cinebench_r20_multicore

847

1,564

cinebench_cinebench_r20_singlecore

119

220

cinebench_cinebench_r23_multicore

2,019

3,725

cinebench_cinebench_r23_singlecore

285

525

cinebench_cinebench_r15_singlecore

N/A

52

geekbench_multicore

N/A

1,623

geekbench_singlecore

N/A

517

DETAILED SPECIFICATIONS

SPECIFICATION

Athlon II X4 645

i7-2820QM

Core Specs

Cores

4

4 0.0%

Threads

4

8 +100.0%

Base Clock (GHz)

3.1

2.3 -25.8%

Boost Clock (GHz)

—

3.4

Frequency (GHz)

3.1

2.3 -25.8%

Turbo Clock (GHz)

—

3.4

Multiplier

15.5

23 +48.4%

SMP CPUs

1

1 0.0%

Cache

L1 Cache

128 KB (per core)

64 KB (per core)

L2 Cache

512 KB (per core)

256 KB (per core)

L3 Cache

—

8 MB (shared)

Power

TDP (W)

95

45 -52.6%

Architecture

Architecture

K10

Sandy Bridge

Codename

Propus

Sandy Bridge

Generation

Athlon II X4 (Propus)

Core i7 (Sandy Bridge)

Process Size

45 nm

32 nm

Transistors

300 million

1,160 million

Die Size

169 mm²

216 mm²

Foundry

—

Intel

Memory

Memory Support

DDR3

—

Memory Bus

Dual-channel

Dual-channel

ECC Memory

No

No

Platform

Socket

AMD Socket AM3

Intel Socket G2 (988B)

PCIe

Gen 2

—

Graphics

Integrated Graphics

On certain motherboards (Chipset feature)

Intel HD 3000

Other

Market

Desktop

Mobile

Production Status

End-of-life

End-of-life

Part Number

ADX645WFK42GMADX645WFGMBOX

SR012

Package

µPGA

rPGA

View Athlon II X4 645 Details View Core i7-2820QM Details