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GPU Comparison
AMD Radeon Pro 455 vs AMD Radeon RX 6600S
AMD Radeon Pro 455 vs AMD Radeon RX 6600S
VS
AMD Radeon Pro 455
AMD Radeon RX 6600S
We compared two Mobile platform GPUs: 2GB VRAM Radeon Pro 455 and 4GB VRAM Radeon RX 6600S to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon Pro 455 's Advantages
Lower TDP (35W vs 80W)
AMD Radeon RX 6600S 's Advantages
Released 5 years and 3 months late
Boost Clock2000MHz
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (224.0GB/s vs 81.28GB/s)
1024 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon Pro 455
1.313 TFLOPS
Radeon RX 6600S
+445%
7.168 TFLOPS
Radeon Pro 455
VS
Radeon RX 6600S
Graphics Card
Oct 2016
Release Date
Jan 2022
Radeon Pro Mac
Generation
Mobility Radeon
Mobile
Type
Mobile
PCIe 3.0 x8
Bus Interface
PCIe 4.0 x8
Clock Speeds
-
Base Clock
1700 MHz
-
Boost Clock
2000 MHz
1270 MHz
Memory Clock
1750 MHz
Memory
2GB
Memory Size
4GB
GDDR5
Memory Type
GDDR6
128bit
Memory Bus
128bit
81.28GB/s
Bandwidth
224.0GB/s
Render Config
-
SM Count
-
12
Compute Units
28
768
Shading Units
1792
48
TMUs
112
16
ROPs
64
-
Tensor Cores
-
-
RT Cores
28
16 KB (per CU)
L1 Cache
128 KB per Array
1024 KB
L2 Cache
2 MB
Theoretical Performance
13.68 GPixel/s
Pixel Rate
128.0 GPixel/s
41.04 GTexel/s
Texture Rate
224.0 GTexel/s
1313 GFLOPS
FP16 (half)
14.34 TFLOPS
1313 GFLOPS
FP32 (float)
7.168 TFLOPS
82.08 GFLOPS
FP64 (double)
448.0 GFLOPS
Graphics Processor
Baffin
GPU Name
Navi 23
Baffin PRO
GPU Variant
-
GCN 4.0
Architecture
RDNA 2.0
GlobalFoundries
Foundry
TSMC
14 nm
Process Size
7 nm
3 billion
Transistors
11.06 billion
123 mm²
Die Size
237 mm²
Board Design
35W
TDP
80W
-
Suggested PSU
-
No outputs
Outputs
No outputs
None
Power Connectors
None
Graphics Features
12 (12_0)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
2.1
OpenCL
2.1
1.2
Vulkan
1.3
-
CUDA
-
6.4
Shader Model
6.5
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