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AMD

Phenom II X4 840

▲ 5141 ▼

Release date ≤ Q1 2014.

Average Bench: 51.1% (722nd of 1314)

Based on 5,608 user benchmarks.  Device: 178BFBFF00100F53 Model: AMD Phenom(tm) II X4 840 Processor
Poor: 39%Average: 51.1% 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 66.2Pts
Avg. Single Core Mixed Speed 56.3Pts

Very good consistency

The range of scores (95th - 5th percentile) for the AMD Phenom II X4 840 is just 19.5%. 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 214Pts
Avg. Octa Core Mixed Speed 213Pts
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Average Bench

(Based on 5,608 samples)
Rank 72251.1%
Min Avg Max
49.4 Memory 66.2 78.5
44.1 1-Core 56.3 62
86 2-Core 113 124
48.5% 78.3 Pts
Min Avg Max
122 4-Core 209 239
132 8-Core 213 239
28.8% 211 Pts
Min Avg Max
146 64-Core 214 241
14.4% 214 Pts
User Benchmarks Bench Normal Heavy Server
The fastest CPU (mainstream) averages a speed of 100%
AM3, 1 CPU, 4 cores, 4 threads
Base clock 3.2 GHz, turbo 3.2 GHz (avg)
53.3% Above average
Memory 65.8
1-Core 58.5
2-Core 117
50% 80.6 Pts
4-Core 237
8-Core 235
32% 236 Pts
64-Core 234
16% 234 Pts
AM3, 1 CPU, 4 cores, 4 threads
Base clock 3.2 GHz
52.5% Above average
Memory 73.2
1-Core 58.5
2-Core 116
52% 82.5 Pts
4-Core 182
8-Core 207
26% 194 Pts
64-Core 219
15% 219 Pts
Socket M2, 1 CPU, 4 cores, 4 threads
Base clock 3.2 GHz, turbo 3.2 GHz (avg)
50.5% Above average
Memory 61.3
1-Core 58.2
2-Core 116
48% 78.4 Pts
4-Core 231
8-Core 227
31% 229 Pts
64-Core 228
15% 228 Pts
CPU 1, 1 CPU, 4 cores, 4 threads
Base clock 3.2 GHz, turbo 3.2 GHz (avg)
49% Average
Memory 57.6
1-Core 58.1
2-Core 119
47% 78.2 Pts
4-Core 236
8-Core 227
32% 231 Pts
64-Core 240
16% 240 Pts
CPU 1, 1 CPU, 4 cores, 4 threads
Base clock 3.2 GHz, turbo 3.2 GHz (avg)
46.5% Average
Memory 53.3
1-Core 57.6
2-Core 117
45% 76 Pts
4-Core 232
8-Core 219
31% 226 Pts
64-Core 220
15% 220 Pts
CPU 1, 1 CPU, 4 cores, 4 threads
Base clock 3.2 GHz, turbo 3.2 GHz (avg)
45.9% Average
Memory 52.5
1-Core 59.4
2-Core 118
45% 76.5 Pts
4-Core 232
8-Core 207
30% 219 Pts
64-Core 217
15% 217 Pts
CPU1, 1 CPU, 4 cores, 4 threads
Base clock 3.2 GHz, turbo 3.2 GHz (avg)
41.3% Average
Memory 78.8
1-Core 15.9
2-Core 28.4
33% 41 Pts
4-Core 25.5
8-Core 32.6
4% 29 Pts
64-Core 38.3
3% 38.3 Pts
5,608 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 42,961,978 CPUs tested.

 Prices

AmazonUS $1506 years
Send price feedback
Custom PC Builder (Start a new build) Build your perfect PC: compare component prices, popularity, speed and value for money.

CHOOSE A COMPONENT:

CPU GPU SSD HDD RAM MBD
Typical Phenom II X4 840 Builds (Compare 8,436 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 5%
Tree trunk
Desktop
Desktop 46%
Yacht
Workstation
Workstation 5%
Tree trunk

Motherboard: Asus M5A78L-M/USB3 - $53

CPU
Phenom II X4 840AMD  $150Bench 51%, 5,608 samples1x
GPU
Radeon 3000 GraphicsATIBench 1%, 18,089 samples602x
GTX 1050-TiNvidia  $155Bench 31%, 808,784 samples552x
GTX 750-TiNvidia  $110Bench 18%, 218,320 samples435x
SSD
A400 240GBKingston  $35Bench 67%, 271,398 samples320x
SSDNow V300 120GBKingston  $66Bench 54%, 321,020 samples217x
A400 120GBKingston  $25Bench 59%, 136,656 samples216x
RAM
2x4GBUnknownBench 38%, 341,233 samples2,137x
2x8GBUnknownBench 56%, 186,203 samples1,480x
4x4GBUnknownBench 43%, 86,412 samples1,248x
EDIT WITH CUSTOM PC BUILDER Value: 53% - Above average Total price: $238

Popular Phenom II X4 840 compatible motherboards:

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Group Test Results

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

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