NVIDIA GeForce GTX 780M Mac Edition vs NVIDIA GeForce 805A
We compared two Mobile platform GPUs: 4GB VRAM GeForce GTX 780M Mac Edition and 1024MB VRAM GeForce 805A 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
Boost Clock has increased by 5% (797MHz vs 758MHz)
More VRAM (4GB vs 1024GB)
Larger VRAM bandwidth (160.0GB/s vs 16.02GB/s)
1344 additional rendering cores
NVIDIA GeForce 805A 's Advantages
Released 8 months late
Lower TDP (15W vs 122W)
Score
Benchmark
FP32 (float)
GeForce GTX 780M Mac Edition
+741%
2.448 TFLOPS
GeForce 805A
0.291 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
719 MHz
797 MHz
Boost Clock
758 MHz
1250 MHz
Memory Clock
1001 MHz
Memory
4GB
Memory Size
1024MB
GDDR5
Memory Type
DDR3
256bit
Memory Bus
64bit
160.0GB/s
Bandwidth
16.02GB/s
Render Config
-
-
-
-
-
-
1536
Shading Units
192
128
TMUs
16
32
ROPs
8
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
16 KB (per SMX)
512 KB
L2 Cache
512 KB
-
-
-
Theoretical Performance
25.50 GPixel/s
Pixel Rate
6.064 GPixel/s
102.0 GTexel/s
Texture Rate
12.13 GTexel/s
-
-
-
2.448 TFLOPS
FP32 (float)
291.1 GFLOPS
102.0 GFLOPS
FP64 (double)
12.13 GFLOPS
Board Design
122W
TDP
15W
-
-
-
No outputs
Outputs
No outputs
-
-
-
Graphics Processor
GK104
GPU Name
GK208
N14E-GTX-A2
GPU Variant
-
Kepler
Architecture
Kepler 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
3.54 billion
Transistors
1.02 billion
294 mm²
Die Size
87 mm²
Graphics Features
12 (11_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.1
Vulkan
1.1
3.0
CUDA
3.5
5.1
Shader Model
5.1
