NVIDIA GeForce GTX 780M Mac Edition vs NVIDIA GeForce 405M
We compared two Mobile platform GPUs: 4GB VRAM GeForce GTX 780M Mac Edition and 512MB VRAM GeForce 405M 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
Released 2 years and 10 months late
Boost Clock797MHz
More VRAM (4GB vs 512GB)
Larger VRAM bandwidth (160.0GB/s vs 12.80GB/s)
1520 additional rendering cores
NVIDIA GeForce 405M 's Advantages
Lower TDP (14W vs 122W)
Score
Benchmark
FP32 (float)
GeForce GTX 780M Mac Edition
+6176%
2.448 TFLOPS
GeForce 405M
0.039 TFLOPS
Graphics Card
Nov 2013
Release Date
Jan 2011
GeForce 700M
Generation
GeForce 400M
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
PCIe 2.0 x16
Clock Speeds
771 MHz
Base Clock
-
797 MHz
Boost Clock
-
1250 MHz
Memory Clock
800 MHz
Memory
4GB
Memory Size
512MB
GDDR5
Memory Type
GDDR3
256bit
Memory Bus
64bit
160.0GB/s
Bandwidth
12.80GB/s
Render Config
-
-
-
-
SM Count
2
1536
Shading Units
16
128
TMUs
8
32
ROPs
4
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
-
512 KB
L2 Cache
32 KB
-
-
-
Theoretical Performance
25.50 GPixel/s
Pixel Rate
2.424 GPixel/s
102.0 GTexel/s
Texture Rate
4.848 GTexel/s
-
-
-
2.448 TFLOPS
FP32 (float)
38.78 GFLOPS
102.0 GFLOPS
FP64 (double)
-
Board Design
122W
TDP
14W
-
-
-
No outputs
Outputs
No outputs
-
-
-
Graphics Processor
GK104
GPU Name
GT218
N14E-GTX-A2
GPU Variant
-
Kepler
Architecture
Tesla 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
3.54 billion
Transistors
0.26 billion
294 mm²
Die Size
57 mm²
Graphics Features
12 (11_0)
DirectX
11.1 (10_1)
4.6
OpenGL
3.3
3.0
OpenCL
1.1
1.1
Vulkan
N/A
3.0
CUDA
1.2
5.1
Shader Model
4.1
