GeForce RTX 4070 Mobile vs GeForce 805A
We compared two Mobile platform GPUs: 8GB VRAM GeForce RTX 4070 Mobile and 1024MB VRAM GeForce 805A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce RTX 4070 Mobile 's Advantages
Released 8 years and 6 months late
Boost Clock has increased by 124% (1695MHz vs 758MHz)
More VRAM (8GB vs 1024GB)
Larger VRAM bandwidth (256.0GB/s vs 16.02GB/s)
4416 additional rendering cores
GeForce 805A 's Advantages
Lower TDP (15W vs 115W)
Score
Benchmark
FP32 (float)
GeForce RTX 4070 Mobile
+5267%
15620
GeForce 805A
291
Graphics Card
Jan 2023
Release Date
Jul 2014
GeForce 40 Mobile
Generation
GeForce 800A
Mobile
Type
Mobile
PCIe 4.0 x8
Bus Interface
PCIe 3.0 x8
Clock Speeds
1395 MHz
Base Clock
719 MHz
1695 MHz
Boost Clock
758 MHz
2000 MHz
Memory Clock
1001 MHz
Memory
8GB
Memory Size
1024MB
GDDR6
Memory Type
DDR3
128bit
Memory Bus
64bit
256.0GB/s
Bandwidth
16.02GB/s
Render Config
36
SM Count
-
4608
Shading Units
192
144
TMUs
16
48
ROPs
8
144
Tensor Cores
-
36
RT Cores
-
128 KB (per SM)
L1 Cache
16 KB (per SMX)
32 MB
L2 Cache
512 KB
Theoretical Performance
81.36 GPixel/s
Pixel Rate
6.064 GPixel/s
244.1 GTexel/s
Texture Rate
12.13 GTexel/s
15.62 TFLOPS
FP16 (half)
-
15.62 TFLOPS
FP32 (float)
291.1 GFLOPS
244.1 GFLOPS
FP64 (double)
12.13 GFLOPS
Board Design
115W
TDP
15W
Portable Device Dependent
Outputs
No outputs
None
Power Connectors
-
Graphics Processor
AD106
GPU Name
GK208
GN21-X6
GPU Variant
-
Ada Lovelace
Architecture
Kepler 2.0
TSMC
Foundry
TSMC
5 nm
Process Size
28 nm
22.9 billion
Transistors
1.02 billion
188 mm²
Die Size
87 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.3
Vulkan
1.1
8.9
CUDA
3.5
6.8
Shader Model
5.1
