Home GPU Comparison NVIDIA GeForce 805A vs NVIDIA GeForce RTX 3080 Mobile

NVIDIA GeForce 805A vs NVIDIA GeForce RTX 3080 Mobile

We compared two Mobile platform GPUs: 1024MB VRAM GeForce 805A and 8GB VRAM GeForce RTX 3080 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 805A 's Advantages
Lower TDP (15W vs 115W)
NVIDIA GeForce RTX 3080 Mobile 's Advantages
Released 6 years and 6 months late
Boost Clock has increased by 104% (1545MHz vs 758MHz)
More VRAM (8GB vs 1024GB)
Larger VRAM bandwidth (448.0GB/s vs 16.02GB/s)
5952 additional rendering cores

Score

Benchmark

FP32 (float)
GeForce 805A
0.291 TFLOPS
GeForce RTX 3080 Mobile +6422%
18.98 TFLOPS
VS

Graphics Card

Jul 2014
Release Date
Jan 2021
GeForce 800A
Generation
GeForce 30 Mobile
Mobile
Type
Mobile
PCIe 3.0 x8
Bus Interface
PCIe 4.0 x16

Clock Speeds

719 MHz
Base Clock
1110 MHz
758 MHz
Boost Clock
1545 MHz
1001 MHz
Memory Clock
1750 MHz

Memory

1024MB
Memory Size
8GB
DDR3
Memory Type
GDDR6
64bit
Memory Bus
256bit
16.02GB/s
Bandwidth
448.0GB/s

Render Config

-
-
-
-
SM Count
48
192
Shading Units
6144
16
TMUs
192
8
ROPs
96
-
Tensor Cores
192
-
RT Cores
48
16 KB (per SMX)
L1 Cache
128 KB (per SM)
512 KB
L2 Cache
4 MB
-
-
-

Theoretical Performance

6.064 GPixel/s
Pixel Rate
148.3 GPixel/s
12.13 GTexel/s
Texture Rate
296.6 GTexel/s
-
FP16 (half)
18.98 TFLOPS
291.1 GFLOPS
FP32 (float)
18.98 TFLOPS
12.13 GFLOPS
FP64 (double)
296.6 GFLOPS

Board Design

15W
TDP
115W
-
-
-
No outputs
Outputs
No outputs
-
Power Connectors
None

Graphics Processor

GK208
GPU Name
GA104
-
GPU Variant
GA104-775-A1
Kepler 2.0
Architecture
Ampere
TSMC
Foundry
Samsung
28 nm
Process Size
8 nm
1.02 billion
Transistors
17.4 billion
87 mm²
Die Size
392 mm²

Graphics Features

12 (11_0)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.1
Vulkan
1.3
3.5
CUDA
8.6
5.1
Shader Model
6.6

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