NVIDIA GeForce 830A vs NVIDIA GeForce GT 445M
We compared two Mobile platform GPUs: 2GB VRAM GeForce 830A and 1024MB VRAM GeForce GT 445M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce 830A 's Advantages
Released 3 years and 10 months late
Boost Clock1150MHz
More VRAM (2GB vs 1024GB)
112 additional rendering cores
Lower TDP (33W vs 35W)
NVIDIA GeForce GT 445M 's Advantages
Larger VRAM bandwidth (40.00GB/s vs 14.40GB/s)
Score
Benchmark
FP32 (float)
GeForce 830A
+79%
0.589 TFLOPS
GeForce GT 445M
0.328 TFLOPS
Graphics Card
Jul 2014
Release Date
Sep 2010
GeForce 800A
Generation
GeForce 400M
Mobile
Type
Mobile
PCIe 3.0 x8
Bus Interface
PCIe 2.0 x16
Clock Speeds
1082 MHz
Base Clock
-
1150 MHz
Boost Clock
-
900 MHz
Memory Clock
625 MHz
Memory
2GB
Memory Size
1024MB
DDR3
Memory Type
GDDR5
64bit
Memory Bus
128bit
14.40GB/s
Bandwidth
40.00GB/s
Render Config
-
-
-
-
SM Count
3
256
Shading Units
144
16
TMUs
24
8
ROPs
16
-
-
-
-
-
-
64 KB (per SMM)
L1 Cache
64 KB (per SM)
1024 KB
L2 Cache
256 KB
-
-
-
Theoretical Performance
9.200 GPixel/s
Pixel Rate
3.420 GPixel/s
18.40 GTexel/s
Texture Rate
13.68 GTexel/s
-
-
-
588.8 GFLOPS
FP32 (float)
328.3 GFLOPS
18.40 GFLOPS
FP64 (double)
27.36 GFLOPS
Board Design
33W
TDP
35W
-
-
-
No outputs
Outputs
No outputs
-
-
-
Graphics Processor
GM108
GPU Name
GF106
-
GPU Variant
N11E-GE-A1
Maxwell
Architecture
Fermi
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
Unknown
Transistors
1.17 billion
Unknown
Die Size
238 mm²
Graphics Features
12 (11_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
1.1
1.3
Vulkan
N/A
5.0
CUDA
2.1
5.1
Shader Model
5.1
