AMD Ryzen 3 PRO 4450U vs AMD Ryzen 7 PRO 4750U

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 7 PRO 4750U

► remove AMD R7 PRO 4750U

The AMD Ryzen 7 PRO 4750U is a processor for thin and light laptops based on the Renoir architecture. The PRO 4750U integrates all eight cores based on the Zen 2 microarchitecture. They are clocked at 1.7 (guaranteed base clock) to 4.1 GHz (Turbo) with SMT / Hyperthreading support (16 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 consumer R7 4800U, the PRO 4750U offers lower boost 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 SMT support, the Ryzen 7 PRO 4750U should be slightly faster in some workloads than the consumer Ryzen 7 4700U. However, as the base clock speed is lower, there can be some workloads that are executed slower.

In addition to the eight CPU cores, the APU also integrates a Radeon RX Vega 7 integrated graphics card with 7 CUs and up to 1600 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 4450UAMD Ryzen 7 PRO 4750U
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 4750U1.7 - 4.1 GHz8 / 168 MB
AMD Ryzen 5 PRO 4650U compare2.1 - 4 GHz6 / 128 MB
» AMD Ryzen 3 PRO 4450U2.5 - 3.7 GHz4 / 84 MB
» AMD Ryzen 7 PRO 4750U1.7 - 4.1 GHz8 / 168 MB
AMD Ryzen 5 PRO 4650U compare2.1 - 4 GHz6 / 128 MB
AMD Ryzen 3 PRO 4450U2.5 - 3.7 GHz4 / 84 MB
2500 - 3700 MHz1700 - 4100 MHz
256 KB512 KB
2 MB4 MB
4 MB8 MB
4 / 88 / 16
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 5 ( - 1400 MHz)AMD Radeon RX Vega 7 ( - 1600 MHz)
Architecturex86x86
AMD Renoir (Ryzen 4000 APU) R3 PRO 4450UAMD Renoir (Ryzen 4000 APU) R7 PRO 4750U

Cinebench R23 - Cinebench R23 CPU (Multi Core)
8359 Points (31%)
Cinebench R23 - Cinebench R23 CPU (Single Core)
1215 Points (74%)
Cinebench R20 - Cinebench R20 CPU (Single Core)
min: 461     avg: 471     median: 471.5 (74%)     max: 479 Points
Cinebench R20 - Cinebench R20 CPU (Multi Core)
min: 2935     avg: 3138     median: 3157 (30%)     max: 3302 Points
Cinebench R15 - Cinebench R15 CPU Multi 64 Bit
min: 1287     avg: 1364     median: 1378 (31%)     max: 1412.98 Points
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Cinebench R15 - Cinebench R15 CPU Single 64 Bit
min: 180     avg: 182     median: 181.5 (67%)     max: 184 Points
Cinebench R11.5 - Cinebench R11.5 CPU Multi 64 Bit
min: 15.42     avg: 15.8     median: 15.8 (32%)     max: 16.13 Points
Cinebench R11.5 - Cinebench R11.5 CPU Single 64 Bit
min: 2.11     avg: 2.1     median: 2.1 (67%)     max: 2.12 Points
Cinebench R10 - Cinebench R10 Rend. Single (32bit)
min: 5560     avg: 8379     median: 8378.5 (75%)     max: 11197
Cinebench R10 - Cinebench R10 Rend. Multi (32bit)
min: 28774     avg: 29574     median: 29573.5 (50%)     max: 30373
wPrime 2.10 - wPrime 2.0 1024m *
109 s (1%)
wPrime 2.10 - wPrime 2.0 32m *
4 s (1%)
wPrime 1.55 - wPrime 1.55 1024m *
261 s (1%)
wPrime 1.55 - wPrime 1.55 32m *
8 s (4%)
WinRAR - WinRAR 4.0
min: 4215     avg: 4227     median: 4227 (27%)     max: 4239
7-Zip 18.03 - 7-Zip 18.03 Multli Thread 4 runs
min: 37081     avg: 39621     median: 39614 (31%)     max: 42173 MIPS
7-Zip 18.03 - 7-Zip 18.03 Single Thread 4 runs
min: 4413     avg: 4443     median: 4445.5 (29%)     max: 4467 MIPS
X264 HD Benchmark 4.0 - x264 Pass 2
79.9 fps (36%)
X264 HD Benchmark 4.0 - x264 Pass 1
202 fps (60%)
HWBOT x265 Benchmark v2.2 - HWBOT x265 4k Preset
min: 8.33     avg: 9.4     median: 9.4 (30%)     max: 10.3 fps
01020Tooltip
TrueCrypt - TrueCrypt Serpent
min: 0.768     avg: 0.9     median: 0.9 (1%)     max: 0.947 GB/s
TrueCrypt - TrueCrypt Twofish
min: 1.1     avg: 1.3     median: 1.3 (1%)     max: 1.4 GB/s
TrueCrypt - TrueCrypt AES
min: 5.6     avg: 7.1     median: 7.1 (1%)     max: 8.5 GB/s
Blender 2.79 - Blender 2.79 BMW27 CPU *
min: 340     avg: 364     median: 355.5 (3%)     max: 403 Seconds
R Benchmark 2.5 - R Benchmark 2.5 *
min: 0.61     avg: 0.6     median: 0.6 (13%)     max: 0.617 sec
3DMark 06 - CPU - 3DMark 06 - CPU
11008 Points (61%)
Super Pi mod 1.5 XS 1M - Super Pi mod 1.5 XS 1M *
min: 9.98     avg: 10     median: 10 (2%)     max: 10.09 s
Super Pi mod 1.5 XS 2M - Super Pi mod 1.5 XS 2M *
min: 22.97     avg: 24.2     median: 24.2 (1%)     max: 25.352 s
Super Pi Mod 1.5 XS 32M - Super Pi mod 1.5 XS 32M *
min: 581.3     avg: 673     median: 673.2 (3%)     max: 765.062 s
3DMark Vantage - 3DM Vant. Perf. CPU no Physx
44669 Points (52%)
3DMark 11 - 3DM11 Performance Physics
min: 9541     avg: 11098     median: 11349 (48%)     max: 12152 Points
3DMark - 3DMark Ice Storm Extreme Physics
55708 Points (59%)
3DMark - 3DMark Cloud Gate Physics
min: 11538     avg: 12333     median: 12332.5 (31%)     max: 13127 Points
3DMark - 3DMark Fire Strike Standard Physics
min: 15185     avg: 16918     median: 17202.5 (43%)     max: 18081 Points
3DMark - 3DMark Time Spy CPU
min: 5417     avg: 5867     median: 5834 (41%)     max: 6351 Points
Geekbench 4.1 - 4.4 - Geekbench 4.1 - 4.4 64 Bit Single-Core
4995 (68%)
Geekbench 4.1 - 4.4 - Geekbench 4.1 - 4.4 64 Bit Multi-Core
25564 (40%)
Geekbench 5.0 - Geekbench 5.0 64 Bit Single-Core
1167 (69%)
Geekbench 5.0 - Geekbench 5.0 64 Bit Multi-Core
6811 (41%)
Geekbench 5.1 - 5.3 - Geekbench 5.1 - 5.3 64 Bit Single-Core
min: 1117     avg: 1144     median: 1151.5 (66%)     max: 1157
Geekbench 5.1 - 5.3 - Geekbench 5.1 - 5.3 64 Bit Multi-Core
min: 5456     avg: 6027     median: 6022 (36%)     max: 6609
Mozilla Kraken 1.1 - Kraken 1.1 Total Score *
min: 810     avg: 823     median: 821 (1%)     max: 839 ms
Octane V2 - Octane V2 Total Score
min: 46713     avg: 49270     median: 50438 (85%)     max: 50658 Points
Power Consumption - Prime95 Power Consumption - external Monitor *
42 Watt (11%)
Power Consumption - Cinebench R15 Multi Power Consumption - external Monitor *
43.4 Watt (11%)

Average Benchmarks AMD Ryzen 7 PRO 4750U → 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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Redaktion, 2017-09- 8 (Update: 2017-09-11)