Home GPU Comparison NVIDIA GeForce GTX 860M vs NVIDIA GeForce 830A

NVIDIA GeForce GTX 860M vs NVIDIA GeForce 830A

We compared two Mobile platform GPUs: 4GB VRAM GeForce GTX 860M and 2GB VRAM GeForce 830A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 860M 's Advantages
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (80.19GB/s vs 14.40GB/s)
384 additional rendering cores
NVIDIA GeForce 830A 's Advantages
Released 6 months late
Boost Clock has increased by 6% (1150MHz vs 1085MHz)
Lower TDP (33W vs 75W)

Score

Benchmark

FP32 (float)
GeForce GTX 860M +135%
1.389 TFLOPS
GeForce 830A
0.589 TFLOPS
VS

Graphics Card

Jan 2014
Release Date
Jul 2014
GeForce 800M
Generation
GeForce 800A
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
PCIe 3.0 x8

Clock Speeds

1020 MHz
Base Clock
1082 MHz
1085 MHz
Boost Clock
1150 MHz
1253 MHz
Memory Clock
900 MHz

Memory

4GB
Memory Size
2GB
GDDR5
Memory Type
DDR3
128bit
Memory Bus
64bit
80.19GB/s
Bandwidth
14.40GB/s

Render Config

-
-
-
-
-
-
640
Shading Units
256
40
TMUs
16
16
ROPs
8
-
-
-
-
-
-
64 KB (per SMM)
L1 Cache
64 KB (per SMM)
2 MB
L2 Cache
1024 KB
-
-
-

Theoretical Performance

17.36 GPixel/s
Pixel Rate
9.200 GPixel/s
43.40 GTexel/s
Texture Rate
18.40 GTexel/s
-
-
-
1389 GFLOPS
FP32 (float)
588.8 GFLOPS
43.40 GFLOPS
FP64 (double)
18.40 GFLOPS

Board Design

75W
TDP
33W
-
-
-
No outputs
Outputs
No outputs
None
Power Connectors
-

Graphics Processor

GM107
GPU Name
GM108
N15P-GX-A1
GPU Variant
-
Maxwell
Architecture
Maxwell
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
1.87 billion
Transistors
Unknown
148 mm²
Die Size
Unknown

Graphics Features

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

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