AMD Radeon PRO 455 vs AMD Radeon RX 6800M


AMD Radeon PRO 455 on Amazon USA
AMD Radeon RX 6800M on Amazon USA

Comparison of the technical characteristics between the graphics cards, with AMD Radeon PRO 455 on one side and AMD Radeon RX 6800M on the other side, also their respective performances with the benchmarks. The first is dedicated to the laptop sector, it has 768 shading units, a maximum frequency of 0.9 GHz, its lithography is 14 nm. The second is used on the laptop segment, it includes 2560 shading units, a maximum frequency of 2.4 GHz, its lithography is 7 nm. The following table also compares the boost clock, the number of shading units (if indicated), of execution units, the amount of cache memory, the maximum memory capacity, the memory bus width, the release date, the number of PCIe lanes, the values ​​obtained in various benchmarks.







Specification comparison:


Graphics card AMD Radeon PRO 455 AMD Radeon RX 6800M
Market (main) Laptop Laptop
Release date Q4 2016 Q2 2021
Model number Baffin PRO Navi 22 XTM
GPU name Baffin Navi 22
Architecture GCN 4.0 RDNA 2.0
Generation Radeon PRO Mac 400 Series Mobility Radeon Navi II
Lithography 14 nm 7 nm
Transistors 3,000,000,000 17,200,000,000
Bus interface PCIe 4.0 x8 PCIe 4.0 x16
GPU base clock 855 MHz 2,116 MHz
GPU boost clock 855 MHz 2,390 MHz
Memory frequency 1,270 MHz 2,000 MHz
Effective memory speed 5.1 Gbps 16 Gbps
Memory size 2 GB 12 GB
Memory type GDDR5 GDDR6
Memory bus 128 bit 192 bit
Memory bandwidth 81.3 GB/s 384.0 GB/s
TDP 35 W 230 W
Cores (compute units, SM, SMX) 12 40
Shading units 768 2,560
TMUs 48 160
ROPs 16 64
Cache memory 1.0 MB 96 MB
Pixel fillrate 13.7 GP/s 153.0 GP/s
Texture fillrate 41.0 GT/s 382.4 GT/s
Performance FP16 (half) 1.3 TFLOPS 24.5 TFLOPS
Performance FP32 (float) 1.3 TFLOPS 12.2 TFLOPS
Performance FP64 (double) 82.1 GFLOPS 764.8 GFLOPS
Amazon
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We can better compare what are the technical differences between the two graphics cards.


Performance comparison with the benchmarks:


Performance comparison between the two processors, for this we consider the results generated on benchmark software such as Geekbench.


FP32 Performance in GFLOPS
AMD Radeon RX 6800M 12,240
AMD Radeon PRO 455 1,313


The difference is 832%.


Single-precision floating-point format, also called FP32, is a computer number format that typically occupies 32 bits in PC memory. This represents a wide dynamic range of numeric values that employs a floating point. FP32 power helps assess the video card's capabilities for generating rendering workloads. Video games use INT32 and FP32 cores to manage calculations with integers and numbers with decimals in order to produce maps, bone matrices on which the vertex shaders will calculate the vertices. Values in single precision format are mainly used in video games and 3D software.


See also:

AMD Radeon PRO 450

AMD Radeon RX 6800AMD Radeon RX 6800 XTAMD Radeon RX 6800S

Equivalence:

AMD Radeon PRO 455 Nvidia EquivalentAMD Radeon RX 6800M Nvidia Equivalent




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