GeForce 800A vs GeForce GTX 860M
We compared two Mobile platform GPUs: 1024MB VRAM GeForce 800A and 4GB VRAM GeForce GTX 860M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce 800A Advantages
Lower TDP (15W vs 75W)
GeForce GTX 860M Advantages
Boost Clock1085MHz
More VRAM (4GB vs 1024GB)
Larger VRAM bandwidth (80.19GB/s vs 14.40GB/s)
592 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce 800A
91
GeForce GTX 860M
+1426%
1389
Graphics Card
Mar 2014
Release Date
Jan 2014
GeForce 800A
Generation
GeForce 800M
Mobile
Type
Mobile
PCIe 2.0 x16
Bus Interface
MXM-B (3.0)
Clock Speeds
-
Base Clock
1020 MHz
-
Boost Clock
1085 MHz
900 MHz
Memory Clock
1253 MHz
Memory
1024MB
Memory Size
4GB
DDR3
Memory Type
GDDR5
64bit
Memory Bus
128bit
14.40GB/s
Bandwidth
80.19GB/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
17.36 GPixel/s
3.800 GTexel/s
Texture Rate
43.40 GTexel/s
91.20 GFLOPS
FP32 (float)
1389 GFLOPS
7.600 GFLOPS
FP64 (double)
43.40 GFLOPS
Board Design
15W
TDP
75W
No outputs
Outputs
No outputs
-
Power Connectors
None
Graphics Processor
GF119
GPU Name
GM107
-
GPU Variant
N15P-GX-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
