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GPU Comparison
AMD Radeon R9 M485X vs NVIDIA GeForce RTX 3080 Ti Mobile
AMD Radeon R9 M485X vs NVIDIA GeForce RTX 3080 Ti Mobile
VS
AMD Radeon R9 M485X
NVIDIA GeForce RTX 3080 Ti Mobile
We compared two Mobile platform GPUs: 8GB VRAM Radeon R9 M485X and 16GB VRAM GeForce RTX 3080 Ti Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce RTX 3080 Ti Mobile 's Advantages
Released 5 years and 8 months late
Boost Clock1260MHz
More VRAM (16GB vs 8GB)
Larger VRAM bandwidth (512.0GB/s vs 160.0GB/s)
5376 additional rendering cores
Lower TDP (115W vs 250W)
Score
Benchmark
FP32 (float)
Radeon R9 M485X
2.961 TFLOPS
GeForce RTX 3080 Ti Mobile
+531%
18.71 TFLOPS
Radeon R9 M485X
VS
GeForce RTX 3080 Ti Mobile
Graphics Card
May 2016
Release Date
Jan 2022
Crystal System
Generation
GeForce 30 Mobile
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
PCIe 4.0 x16
Clock Speeds
-
Base Clock
810 MHz
-
Boost Clock
1260 MHz
1250 MHz
Memory Clock
2000 MHz
Memory
8GB
Memory Size
16GB
GDDR5
Memory Type
GDDR6
256bit
Memory Bus
256bit
160.0GB/s
Bandwidth
512.0GB/s
Render Config
-
SM Count
58
32
Compute Units
-
2048
Shading Units
7424
128
TMUs
232
32
ROPs
96
-
Tensor Cores
232
-
RT Cores
58
16 KB (per CU)
L1 Cache
128 KB (per SM)
512 KB
L2 Cache
4 MB
Theoretical Performance
23.14 GPixel/s
Pixel Rate
121.0 GPixel/s
92.54 GTexel/s
Texture Rate
292.3 GTexel/s
2.961 TFLOPS
FP16 (half)
18.71 TFLOPS
2.961 TFLOPS
FP32 (float)
18.71 TFLOPS
185.1 GFLOPS
FP64 (double)
292.3 GFLOPS
Graphics Processor
Amethyst
GPU Name
GA103S
Amethyst XT
GPU Variant
GN20-E8-A1
GCN 3.0
Architecture
Ampere
TSMC
Foundry
Samsung
28 nm
Process Size
8 nm
5 billion
Transistors
Unknown
366 mm²
Die Size
496 mm²
Board Design
250W
TDP
115W
-
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
2.0
OpenCL
3.0
1.2
Vulkan
1.3
-
CUDA
8.6
6.3
Shader Model
6.5
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