NVIDIA GeForce RTX 2070 Mobile Refresh vs NVIDIA GeForce GTX 850A
We compared two Mobile platform GPUs: 8GB VRAM GeForce RTX 2070 Mobile Refresh 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 2070 Mobile Refresh 's Advantages
Released 6 years late
Boost Clock has increased by 55% (1455MHz vs 936MHz)
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (352.0GB/s vs 28.80GB/s)
1664 additional rendering cores
NVIDIA GeForce GTX 850A 's Advantages
Lower TDP (45W vs 115W)
Score
Benchmark
FP32 (float)
GeForce RTX 2070 Mobile Refresh
+459%
6.705 TFLOPS
GeForce GTX 850A
1.198 TFLOPS
Graphics Card
Mar 2020
Release Date
Mar 2014
GeForce 20 Mobile
Generation
GeForce 800A
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
1260 MHz
Base Clock
902 MHz
1455 MHz
Boost Clock
936 MHz
1375 MHz
Memory Clock
900 MHz
Memory
8GB
Memory Size
2GB
GDDR6
Memory Type
DDR3
256bit
Memory Bus
128bit
352.0GB/s
Bandwidth
28.80GB/s
Render Config
-
-
-
36
SM Count
-
2304
Shading Units
640
144
TMUs
40
64
ROPs
16
288
Tensor Cores
-
36
RT Cores
-
64 KB (per SM)
L1 Cache
64 KB (per SMM)
4 MB
L2 Cache
2 MB
-
-
-
Theoretical Performance
93.12 GPixel/s
Pixel Rate
14.98 GPixel/s
209.5 GTexel/s
Texture Rate
37.44 GTexel/s
13.41 TFLOPS
FP16 (half)
-
6.705 TFLOPS
FP32 (float)
1198 GFLOPS
209.5 GFLOPS
FP64 (double)
37.44 GFLOPS
Board Design
115W
TDP
45W
-
-
-
No outputs
Outputs
No outputs
None
Power Connectors
-
Graphics Processor
TU106B
GPU Name
GM107
-
GPU Variant
N15P-GT-A1
Turing
Architecture
Maxwell
TSMC
Foundry
TSMC
12 nm
Process Size
28 nm
10.8 billion
Transistors
1.87 billion
445 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
7.5
CUDA
5.0
6.6
Shader Model
5.1
