Home GPU Comparison NVIDIA GeForce RTX 3080 Mobile vs NVIDIA GeForce GTX 485M

NVIDIA GeForce RTX 3080 Mobile vs NVIDIA GeForce GTX 485M

We compared two Mobile platform GPUs: 8GB VRAM GeForce RTX 3080 Mobile and 2GB VRAM GeForce GTX 485M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 3080 Mobile 's Advantages
Released 10 years late
Boost Clock1545MHz
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (448.0GB/s vs 96.00GB/s)
5760 additional rendering cores
NVIDIA GeForce GTX 485M 's Advantages
Lower TDP (100W vs 115W)

Score

Benchmark

FP32 (float)
GeForce RTX 3080 Mobile +2049%
18.98 TFLOPS
GeForce GTX 485M
0.883 TFLOPS
VS

Graphics Card

Jan 2021
Release Date
Jan 2011
GeForce 30 Mobile
Generation
GeForce 400M
Mobile
Type
Mobile
PCIe 4.0 x16
Bus Interface
MXM-B (3.0)

Clock Speeds

1110 MHz
Base Clock
-
1545 MHz
Boost Clock
-
1750 MHz
Memory Clock
750 MHz

Memory

8GB
Memory Size
2GB
GDDR6
Memory Type
GDDR5
256bit
Memory Bus
256bit
448.0GB/s
Bandwidth
96.00GB/s

Render Config

-
-
-
48
SM Count
8
6144
Shading Units
384
192
TMUs
64
96
ROPs
32
192
Tensor Cores
-
48
RT Cores
-
128 KB (per SM)
L1 Cache
64 KB (per SM)
4 MB
L2 Cache
512 KB
-
-
-

Theoretical Performance

148.3 GPixel/s
Pixel Rate
9.200 GPixel/s
296.6 GTexel/s
Texture Rate
36.80 GTexel/s
18.98 TFLOPS
FP16 (half)
-
18.98 TFLOPS
FP32 (float)
883.2 GFLOPS
296.6 GFLOPS
FP64 (double)
73.60 GFLOPS

Board Design

115W
TDP
100W
-
-
-
No outputs
Outputs
No outputs
None
Power Connectors
None

Graphics Processor

GA104
GPU Name
GF104
GA104-775-A1
GPU Variant
N12E-GTX-A1
Ampere
Architecture
Fermi
Samsung
Foundry
TSMC
8 nm
Process Size
40 nm
17.4 billion
Transistors
1.95 billion
392 mm²
Die Size
332 mm²

Graphics Features

12 Ultimate (12_2)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
1.1
1.3
Vulkan
N/A
8.6
CUDA
2.1
6.6
Shader Model
5.1

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