Home GPU Comparison NVIDIA GeForce GTX 850A vs NVIDIA GeForce GT 745M

NVIDIA GeForce GTX 850A vs NVIDIA GeForce GT 745M

We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 850A and 2GB VRAM GeForce GT 745M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 850A 's Advantages
Released 11 months late
Boost Clock936MHz
256 additional rendering cores

Score

Benchmark

FP32 (float)
GeForce GTX 850A +86%
1.198 TFLOPS
GeForce GT 745M
0.643 TFLOPS
VS

Graphics Card

Mar 2014
Release Date
Apr 2013
GeForce 800A
Generation
GeForce 700M
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16

Clock Speeds

902 MHz
Base Clock
-
936 MHz
Boost Clock
-
900 MHz
Memory Clock
900 MHz

Memory

2GB
Memory Size
2GB
DDR3
Memory Type
DDR3
128bit
Memory Bus
128bit
28.80GB/s
Bandwidth
28.80GB/s

Render Config

-
-
-
-
-
-
640
Shading Units
384
40
TMUs
32
16
ROPs
16
-
-
-
-
-
-
64 KB (per SMM)
L1 Cache
16 KB (per SMX)
2 MB
L2 Cache
256 KB
-
-
-

Theoretical Performance

14.98 GPixel/s
Pixel Rate
6.696 GPixel/s
37.44 GTexel/s
Texture Rate
26.78 GTexel/s
-
-
-
1198 GFLOPS
FP32 (float)
642.8 GFLOPS
37.44 GFLOPS
FP64 (double)
26.78 GFLOPS

Board Design

45W
TDP
45W
-
-
-
No outputs
Outputs
No outputs
-
-
-

Graphics Processor

GM107
GPU Name
GK107
N15P-GT-A1
GPU Variant
N14P-LP
Maxwell
Architecture
Kepler
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
1.87 billion
Transistors
1.27 billion
148 mm²
Die Size
118 mm²

Graphics Features

12 (11_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.3
Vulkan
1.1
5.0
CUDA
3.0
5.1
Shader Model
5.1

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