AMD Ryzen 5 PRO 4650U vs AMD Ryzen 3 PRO 4450U

AMD Ryzen 5 PRO 4650U

► remove AMD R5 PRO 4650U

The AMD Ryzen 5 PRO 4650U is a processor for thin and light laptops based on the Renoir architecture. The 4650U integrates six cores based on the Zen 2 microarchitecture. They are clocked at 2.1 (guaranteed base clock) to 4 GHz (Turbo) with SMT / Hyperthreading support (12 threads). The chip is manufactured in the modern 7 nm process at TSMC and partly thanks to it AMD advertises a 2x improved performance per Watt for the Renoir chips.

The PRO processors offer a range of business features like hardware security (e.g., AMD Memory Guard), manageability (e.g., support for Microsoft Endpoint Manager), and longer availability and software stability. 

The performance should be similar to the Ryzen 5 4600U which offers similar specifications. Compared to the faster Ryzen 7 PRO 4750U is clearly faster in multi threaded workloads that can make use of the two additional cores.

In addition to the six CPU cores, the APU also integrates a Radeon RX Vega 6 integrated graphics card with 6 CUs and up to 1500 MHz. The dual channel memory controller supports DDR4-3200 and energy efficient LPDDR4-4266 RAM. Furthermore, 8 MB level 3 cache can be found on the chip. See our hub page on the Renoir Processors for more information.

The TDP of the APU is specified at 15 Watt (default) and can be configured from 10 to 25 Watt by the laptop vendor. That means the chip is intended for thin and light laptops (but with fans).

AMD Ryzen 3 PRO 4450U

► remove AMD R3 PRO 4450U

The AMD Ryzen 3 PRO 4450U is a processor for thin and light laptops based on the Renoir architecture. The PRO 4450U integrates four cores based on the Zen 2 microarchitecture (quad core CPU). They are clocked at 2.5 (guaranteed base clock) to 3.7 GHz (Turbo) with SMT / Hyperthreading support (8 threads). The chip is manufactured in the modern 7 nm process at TSMC and partly thanks to it AMD advertises a 2x improved performance per Watt for the Renoir chips. Compared to the faster Ryzen 5 4000 CPUs (e.g., Ryzen 5 PRO 4650U), the Ryzen 3 only offers 4 cores and lower Turbo clock speeds.

The PRO processors offer a range of business features like hardware security (e.g., AMD Memory Guard), manageability (e.g., support for Microsoft Endpoint Manager), and longer availability and software stability. 

Thanks to the new Zen 2 cores, the Ryzen 3 4450U should offer a slightly better performance as the Ryzen 5 3500U. For an lower mid-range CPU, the performance is quite good and sufficient for most demanding tasks.

In addition to the four CPU cores, the APU also integrates a Radeon RX Vega 5 integrated graphics card with 5 CUs and up to 1400 MHz. The dual channel memory controller supports DDR4-3200 and energy efficient LPDDR4-4266 RAM. Furthermore, 8 MB level 3 cache can be found on the chip. See our hub page on the Renoir Processors for more information.

The TDP of the APU is specified at 15 Watt (default) and can be configured from 10 to 25 Watt by the laptop vendor. That means the chip is intended for thin and light laptops (but with fans).

AMD Ryzen 5 PRO 4650UAMD Ryzen 3 PRO 4450U
AMD Renoir (Ryzen 4000 APU)AMD Renoir (Ryzen 4000 APU)
Renoir PRO (Zen 2)Renoir PRO (Zen 2)
: Renoir (Ryzen 4000 APU) Renoir PRO (Zen 2)
AMD Ryzen 7 PRO 4750U compare1.7 - 4.1 GHz8 / 168 MB
» AMD Ryzen 5 PRO 4650U2.1 - 4 GHz6 / 128 MB
AMD Ryzen 3 PRO 4450U2.5 - 3.7 GHz4 / 84 MB
AMD Ryzen 7 PRO 4750U compare1.7 - 4.1 GHz8 / 168 MB
AMD Ryzen 5 PRO 4650U2.1 - 4 GHz6 / 128 MB
» AMD Ryzen 3 PRO 4450U2.5 - 3.7 GHz4 / 84 MB
2100 - 4000 MHz2500 - 3700 MHz
384 KB256 KB
3 MB2 MB
8 MB4 MB
6 / 124 / 8
15 15
7 7
105 °C105 °C
FP6FP6
XFR, FMA3, SSE 4.2, AVX2, SMTXFR, FMA3, SSE 4.2, AVX2, SMT
iGPUAMD Radeon RX Vega 6 (Ryzen 4000) ( - 1500 MHz)AMD Radeon RX Vega 5 ( - 1400 MHz)
Architecturex86x86
AMD Renoir (Ryzen 4000 APU) R5 PRO 4650UAMD Renoir (Ryzen 4000 APU) R3 PRO 4450U

Performance Rating - CB R15 + R20 + 7-Zip + X265 + Blender + 3DM11 CPU
47.8 pt (55%)
Cinebench R20 - Cinebench R20 CPU (Single Core)
min: 453     avg: 454     median: 453.5 (71%)     max: 454 Points
Cinebench R20 - Cinebench R20 CPU (Multi Core)
min: 2561     avg: 2613     median: 2599 (25%)     max: 2692 Points
Cinebench R15 - Cinebench R15 CPU Multi 64 Bit
min: 1123     avg: 1153     median: 1161 (26%)     max: 1168 Points
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Cinebench R15 - Cinebench R15 CPU Single 64 Bit
min: 175     avg: 176     median: 175 (64%)     max: 177 Points
Cinebench R11.5 - Cinebench R11.5 CPU Multi 64 Bit
12.9 Points (26%)
Cinebench R11.5 - Cinebench R11.5 CPU Single 64 Bit
2 Points (64%)
Cinebench R10 - Cinebench R10 Rend. Single (32bit)
5289 (47%)
Cinebench R10 - Cinebench R10 Rend. Multi (32bit)
27559 (46%)
Cinebench R10 - Cinebench R10 Rend. Multi (64bit)
44658 Points (43%)
Cinebench R10 - Cinebench R10 Rend. Single (64bit)
9114 Points (69%)
wPrime 1.55 - wPrime 1.55 1024m *
236 s (1%)
wPrime 1.55 - wPrime 1.55 32m *
7.7 s (4%)
WinRAR - WinRAR 4.0
3795 (24%)
7-Zip 18.03 - 7-Zip 18.03 Multli Thread 4 runs
min: 30895     avg: 31827     median: 31980 (25%)     max: 32454 MIPS
7-Zip 18.03 - 7-Zip 18.03 Single Thread 4 runs
min: 4202     avg: 4252     median: 4223 (28%)     max: 4359 MIPS
HWBOT x265 Benchmark v2.2 - HWBOT x265 4k Preset
min: 7.82     avg: 7.9     median: 7.9 (25%)     max: 8.14 fps
01020Tooltip
TrueCrypt - TrueCrypt Serpent
0.8 GB/s (1%)
TrueCrypt - TrueCrypt Twofish
1.2 GB/s (1%)
TrueCrypt - TrueCrypt AES
5.4 GB/s (1%)
Blender 2.79 - Blender 2.79 BMW27 CPU *
min: 415     avg: 430     median: 428.5 (3%)     max: 448 Seconds
R Benchmark 2.5 - R Benchmark 2.5 *
min: 0.643     avg: 0.7     median: 0.7 (14%)     max: 0.663 sec
3DMark 06 - CPU - 3DMark 06 - CPU
10182 Points (56%)
Super Pi mod 1.5 XS 1M - Super Pi mod 1.5 XS 1M *
7.2 s (2%)
Super Pi mod 1.5 XS 2M - Super Pi mod 1.5 XS 2M *
15.6 s (1%)
Super Pi Mod 1.5 XS 32M - Super Pi mod 1.5 XS 32M *
366 s (2%)
3DMark 11 - 3DM11 Performance Physics
min: 8601     avg: 8770     median: 8703 (37%)     max: 9005 Points
3DMark - 3DMark Cloud Gate Physics
9774 Points (25%)
3DMark - 3DMark Fire Strike Standard Physics
min: 14641     avg: 15359     median: 15448.5 (39%)     max: 15899 Points
3DMark - 3DMark Time Spy CPU
min: 4299     avg: 4438     median: 4444 (31%)     max: 4565 Points
Geekbench 3 - Geekbench 3 32 Bit Multi-Core
22199 (39%)
Geekbench 3 - Geekbench 3 32 Bit Single-Core
4010 (82%)
Geekbench 3 - Geekbench 3 64 Bit Multi-Core
22604 (35%)
Geekbench 3 - Geekbench 3 64 Bit Single-Core
4202 (86%)
Geekbench 4.1 - 4.4 - Geekbench 4.1 - 4.4 64 Bit Single-Core
4475 (61%)
Geekbench 4.1 - 4.4 - Geekbench 4.1 - 4.4 64 Bit Multi-Core
19220 (30%)
Geekbench 5.1 - 5.3 - Geekbench 5.1 - 5.3 64 Bit Single-Core
min: 1065     avg: 1077     median: 1071 (61%)     max: 1102
Geekbench 5.1 - 5.3 - Geekbench 5.1 - 5.3 64 Bit Multi-Core
min: 4581     avg: 4646     median: 4648.5 (28%)     max: 4705
Mozilla Kraken 1.1 - Kraken 1.1 Total Score *
min: 866     avg: 867     median: 867 (1%)     max: 869 ms
Octane V2 - Octane V2 Total Score
min: 43657     avg: 44815     median: 44814.5 (72%)     max: 45972 Points
Power Consumption - Prime95 Power Consumption - external Monitor *
min: 36.9     avg: 37.2     median: 37.2 (10%)     max: 37.5 Watt
01020304050Tooltip
Power Consumption - Cinebench R15 Multi Power Consumption - external Monitor *
min: 39.4     avg: 39.8     median: 39.8 (11%)     max: 40.1 Watt
01020304050Tooltip

Average Benchmarks AMD Ryzen 5 PRO 4650U → NAN% n=

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* Smaller numbers mean a higher performance
1 This benchmark is not used for the average calculation

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> Notebook / Laptop Reviews and News > Benchmarks / Tech > Processor Comparison - Head 2 Head
Redaktion, 2017-09- 8 (Update: 2017-09-11)