GeForce 800A vs GeForce GTX 850A
We compared two Mobile platform GPUs: 1024MB VRAM GeForce 800A and 2GB VRAM GeForce GTX 850A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce 800A Advantages
Lower TDP (15W vs 45W)
GeForce GTX 850A Advantages
Boost Clock936MHz
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (28.80GB/s vs 14.40GB/s)
592 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce 800A
91
GeForce GTX 850A
+1216%
1198
Graphics Card
Mar 2014
Release Date
Mar 2014
GeForce 800A
Generation
GeForce 800A
Mobile
Type
Mobile
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
902 MHz
-
Boost Clock
936 MHz
900 MHz
Memory Clock
900 MHz
Memory
1024MB
Memory Size
2GB
DDR3
Memory Type
DDR3
64bit
Memory Bus
128bit
14.40GB/s
Bandwidth
28.80GB/s
Render Config
1
SM Count
-
48
Shading Units
640
8
TMUs
40
4
ROPs
16
64 KB (per SM)
L1 Cache
64 KB (per SMM)
128 KB
L2 Cache
2 MB
Theoretical Performance
950.0 MPixel/s
Pixel Rate
14.98 GPixel/s
3.800 GTexel/s
Texture Rate
37.44 GTexel/s
91.20 GFLOPS
FP32 (float)
1198 GFLOPS
7.600 GFLOPS
FP64 (double)
37.44 GFLOPS
Board Design
15W
TDP
45W
No outputs
Outputs
No outputs
Graphics Processor
GF119
GPU Name
GM107
-
GPU Variant
N15P-GT-A1
Fermi 2.0
Architecture
Maxwell
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
0.292 billion
Transistors
1.87 billion
79 mm²
Die Size
148 mm²
Graphics Features
12 (11_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
1.1
OpenCL
3.0
N/A
Vulkan
1.3
2.1
CUDA
5.0
5.1
Shader Model
5.1
