NVIDIA GeForce GTX 780M Mac Edition vs NVIDIA GeForce 830A
We compared two Mobile platform GPUs: 4GB VRAM GeForce GTX 780M Mac Edition 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 780M Mac Edition 's Advantages
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (160.0GB/s vs 14.40GB/s)
1280 additional rendering cores
NVIDIA GeForce 830A 's Advantages
Released 8 months late
Boost Clock has increased by 44% (1150MHz vs 797MHz)
Lower TDP (33W vs 122W)
Score
Benchmark
FP32 (float)
GeForce GTX 780M Mac Edition
+315%
2.448 TFLOPS
GeForce 830A
0.589 TFLOPS
Graphics Card
Nov 2013
Release Date
Jul 2014
GeForce 700M
Generation
GeForce 800A
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
PCIe 3.0 x8
Clock Speeds
771 MHz
Base Clock
1082 MHz
797 MHz
Boost Clock
1150 MHz
1250 MHz
Memory Clock
900 MHz
Memory
4GB
Memory Size
2GB
GDDR5
Memory Type
DDR3
256bit
Memory Bus
64bit
160.0GB/s
Bandwidth
14.40GB/s
Render Config
-
-
-
-
-
-
1536
Shading Units
256
128
TMUs
16
32
ROPs
8
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
64 KB (per SMM)
512 KB
L2 Cache
1024 KB
-
-
-
Theoretical Performance
25.50 GPixel/s
Pixel Rate
9.200 GPixel/s
102.0 GTexel/s
Texture Rate
18.40 GTexel/s
-
-
-
2.448 TFLOPS
FP32 (float)
588.8 GFLOPS
102.0 GFLOPS
FP64 (double)
18.40 GFLOPS
Board Design
122W
TDP
33W
-
-
-
No outputs
Outputs
No outputs
-
-
-
Graphics Processor
GK104
GPU Name
GM108
N14E-GTX-A2
GPU Variant
-
Kepler
Architecture
Maxwell
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
3.54 billion
Transistors
Unknown
294 mm²
Die Size
Unknown
Graphics Features
12 (11_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.1
Vulkan
1.3
3.0
CUDA
5.0
5.1
Shader Model
5.1
