Home GPU Comparison NVIDIA GeForce 805A vs NVIDIA GeForce GTX 850A

NVIDIA GeForce 805A vs NVIDIA GeForce GTX 850A

We compared two Mobile platform GPUs: 1024MB VRAM GeForce 805A 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 805A 's Advantages
Lower TDP (15W vs 45W)
NVIDIA GeForce GTX 850A 's Advantages
Boost Clock has increased by 23% (936MHz vs 758MHz)
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (28.80GB/s vs 16.02GB/s)
448 additional rendering cores

Score

Benchmark

FP32 (float)
GeForce 805A
0.291 TFLOPS
GeForce GTX 850A +311%
1.198 TFLOPS
VS

Graphics Card

Jul 2014
Release Date
Mar 2014
GeForce 800A
Generation
GeForce 800A
Mobile
Type
Mobile
PCIe 3.0 x8
Bus Interface
PCIe 3.0 x16

Clock Speeds

719 MHz
Base Clock
902 MHz
758 MHz
Boost Clock
936 MHz
1001 MHz
Memory Clock
900 MHz

Memory

1024MB
Memory Size
2GB
DDR3
Memory Type
DDR3
64bit
Memory Bus
128bit
16.02GB/s
Bandwidth
28.80GB/s

Render Config

-
-
-
-
-
-
192
Shading Units
640
16
TMUs
40
8
ROPs
16
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
64 KB (per SMM)
512 KB
L2 Cache
2 MB
-
-
-

Theoretical Performance

6.064 GPixel/s
Pixel Rate
14.98 GPixel/s
12.13 GTexel/s
Texture Rate
37.44 GTexel/s
-
-
-
291.1 GFLOPS
FP32 (float)
1198 GFLOPS
12.13 GFLOPS
FP64 (double)
37.44 GFLOPS

Board Design

15W
TDP
45W
-
-
-
No outputs
Outputs
No outputs
-
-
-

Graphics Processor

GK208
GPU Name
GM107
-
GPU Variant
N15P-GT-A1
Kepler 2.0
Architecture
Maxwell
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
1.02 billion
Transistors
1.87 billion
87 mm²
Die Size
148 mm²

Graphics Features

12 (11_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.1
Vulkan
1.3
3.5
CUDA
5.0
5.1
Shader Model
5.1

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