Home GPU Comparison NVIDIA GeForce RTX 3070 Mobile vs NVIDIA GeForce GTX 850A

NVIDIA GeForce RTX 3070 Mobile vs NVIDIA GeForce GTX 850A

We compared two Mobile platform GPUs: 8GB VRAM GeForce RTX 3070 Mobile and 2GB VRAM GeForce GTX 850A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 3070 Mobile 's Advantages
Released 6 years and 10 months late
Boost Clock has increased by 67% (1560MHz vs 936MHz)
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (448.0GB/s vs 28.80GB/s)
4480 additional rendering cores
NVIDIA GeForce GTX 850A 's Advantages
Lower TDP (45W vs 115W)

Score

Benchmark

FP32 (float)
GeForce RTX 3070 Mobile +1233%
15.97 TFLOPS
GeForce GTX 850A
1.198 TFLOPS
VS

Graphics Card

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

Clock Speeds

1110 MHz
Base Clock
902 MHz
1560 MHz
Boost Clock
936 MHz
1750 MHz
Memory Clock
900 MHz

Memory

8GB
Memory Size
2GB
GDDR6
Memory Type
DDR3
256bit
Memory Bus
128bit
448.0GB/s
Bandwidth
28.80GB/s

Render Config

-
-
-
40
SM Count
-
5120
Shading Units
640
160
TMUs
40
80
ROPs
16
160
Tensor Cores
-
40
RT Cores
-
128 KB (per SM)
L1 Cache
64 KB (per SMM)
4 MB
L2 Cache
2 MB
-
-
-

Theoretical Performance

124.8 GPixel/s
Pixel Rate
14.98 GPixel/s
249.6 GTexel/s
Texture Rate
37.44 GTexel/s
15.97 TFLOPS
FP16 (half)
-
15.97 TFLOPS
FP32 (float)
1198 GFLOPS
249.6 GFLOPS
FP64 (double)
37.44 GFLOPS

Board Design

115W
TDP
45W
-
-
-
No outputs
Outputs
No outputs
None
Power Connectors
-

Graphics Processor

GA104
GPU Name
GM107
GA104-770-A1
GPU Variant
N15P-GT-A1
Ampere
Architecture
Maxwell
Samsung
Foundry
TSMC
8 nm
Process Size
28 nm
17.4 billion
Transistors
1.87 billion
392 mm²
Die Size
148 mm²

Graphics Features

12 Ultimate (12_2)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.3
Vulkan
1.3
8.6
CUDA
5.0
6.6
Shader Model
5.1

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