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AMD

Phenom II X4 840

▲ 5142 ▼

Release date ≤ Q1 2014.

Average Bench: 51% (720th of 1316)

Based on 5,825 user benchmarks.  Device: 178BFBFF00100F53 Model: AMD Phenom(tm) II X4 840 Processor
Poor: 40%Average: 51% Great: 59%
Gaming
Gaming 51%
Yacht
Desktop
Desktop 53%
Yacht
Workstation
Workstation 37%
Jet ski

Popular builds with this CPU

Average average bench

The AMD Phenom II X4 840 averaged 48.9% lower than the peak scores attained by the group leaders. This isn't a great result which indicates that there are much faster alternatives on the comparison list.

Strengths

Avg. Memory Latency 65.9Pts
Avg. Single Core Mixed Speed 56.5Pts

Very good consistency

The range of scores (95th - 5th percentile) for the AMD Phenom II X4 840 is just 18.7%. This is a relatively narrow range which indicates that the AMD Phenom II X4 840 performs reasonably consistently under varying real world conditions.

Weaknesses

Avg. Multi Core Mixed Speed 215Pts
Avg. Octa Core Mixed Speed 214Pts
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Average Bench

(Based on 5,825 samples)
Rank 72051%
Min Avg Max
48.5 Memory 65.9 78.9
44.3 1-Core 56.5 62.1
82.8 2-Core 113 124
48.5% 78.3 Pts
Min Avg Max
125 4-Core 210 240
136 8-Core 214 240
28.9% 212 Pts
Min Avg Max
149 64-Core 215 241
14.4% 215 Pts
User Benchmarks Bench Normal Heavy Server
The fastest CPU (mainstream) averages a speed of 100%
CPUSocket, 1 CPU, 4 cores, 4 threads
Base clock 3.2 GHz
57.5% Above average
Memory 74.7
1-Core 60.5
2-Core 97.3
51% 77.5 Pts
4-Core 234
8-Core 238
32% 236 Pts
64-Core 238
16% 238 Pts
AM3R2, 1 CPU, 4 cores, 4 threads
Base clock 3.2 GHz, turbo 3.2 GHz (avg)
56.6% Above average
Memory 73.1
1-Core 58.9
2-Core 118
52% 83.3 Pts
4-Core 234
8-Core 233
32% 233 Pts
64-Core 235
16% 235 Pts
AM3, 1 CPU, 4 cores, 4 threads
Base clock 3.2 GHz, turbo 3.2 GHz (avg)
56.2% Above average
Memory 74.3
1-Core 56.9
2-Core 116
52% 82.3 Pts
4-Core 222
8-Core 223
30% 223 Pts
64-Core 221
15% 221 Pts
AM3, 1 CPU, 4 cores, 4 threads
Base clock 3.2 GHz, turbo 3.2 GHz (avg)
54.1% Above average
Memory 68.4
1-Core 59.4
2-Core 118
51% 82.1 Pts
4-Core 232
8-Core 232
32% 232 Pts
64-Core 208
14% 208 Pts
CPUSocket, 1 CPU, 4 cores, 4 threads
Base clock 3.2 GHz, turbo 3.2 GHz (avg)
52.9% Above average
Memory 67.5
1-Core 57.6
2-Core 117
50% 80.6 Pts
4-Core 222
8-Core 228
31% 225 Pts
64-Core 226
15% 226 Pts
Socket M2, 1 CPU, 4 cores, 4 threads
Base clock 3.2 GHz, turbo 3.2 GHz (avg)
52.2% Above average
Memory 68.9
1-Core 56.7
2-Core 112
50% 79.3 Pts
4-Core 204
8-Core 227
29% 215 Pts
64-Core 186
12% 186 Pts
AM3, 1 CPU, 4 cores, 4 threads
Base clock 3.2 GHz, turbo 3.2 GHz (avg)
48.3% Average
Memory 68
1-Core 57.4
2-Core 116
50% 80.5 Pts
4-Core 170
8-Core 154
22% 162 Pts
64-Core 163
11% 163 Pts
AM3, 1 CPU, 4 cores, 4 threads
Base clock 3.2 GHz, turbo 3.2 GHz (avg)
47.2% Average
Memory 57.1
1-Core 58
2-Core 117
46% 77.3 Pts
4-Core 213
8-Core 232
30% 222 Pts
64-Core 232
16% 232 Pts
AM3R2, 1 CPU, 4 cores, 4 threads
Base clock 3.2 GHz, turbo 3.2 GHz (avg)
46.3% Average
Memory 55.7
1-Core 55.1
2-Core 109
44% 73.4 Pts
4-Core 216
8-Core 205
29% 211 Pts
64-Core 216
14% 216 Pts
5,825 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 44,910,004 CPUs tested.

 Prices

AmazonUS $1506 years
Send price feedback
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CPU GPU SSD HDD RAM MBD
Typical Phenom II X4 840 Builds (Compare 753 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 4%
Tree trunk
Desktop
Desktop 46%
Yacht
Workstation
Workstation 4%
Tree trunk

Motherboard: Asus M4N68T-M-LE-V2

CPU
Phenom II X4 840AMD  $150Bench 51%, 5,825 samples1x
GPU
GeForce 7025 / nForce 630aNvidiaBench 0%, 6,813 samples142x
GeForce GT 710NvidiaBench 3%, 150,829 samples35x
Radeon HD 5450AMDBench 1%, 60,030 samples33x
SSD
A400 240GBKingston  $35Bench 65%, 324,659 samples40x
0 240GBCt240bx5Bench 53%, 1,158 samples23x
A400 120GBKingston  $28Bench 60%, 138,047 samples18x
RAM
2x4GBUnknownBench 38%, 374,556 samples250x
2x2GBUnknownBench 19%, 418,540 samples165x
1x4GBUnknownBench 25%, 157,232 samples93x
EDIT WITH CUSTOM PC BUILDER Value: 52% - Above average Total price: $185

Popular Phenom II X4 840 compatible motherboards:

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We calculate effective speed which measures real world performance for typical users. Effective speed is adjusted by current prices to yield a value for money rating. Our calculated values are checked against thousands of individual user ratings. The customizable table below combines these factors to bring you the definitive list of top CPUs. [CPUPro]

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  • Best user rated - User sentiment trumps benchmarks for this comparison.
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  • Fastest real world speed - Real World Speed measures performance for typical consumers.

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