GeForce GTX 775M Mac Edition vs GeForce 805A
We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 775M Mac Edition and 1024MB VRAM GeForce 805A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce GTX 775M Mac Edition Advantages
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (160.0GB/s vs 16.02GB/s)
1152 additional rendering cores
GeForce 805A Advantages
Released 8 months late
Boost Clock758MHz
Lower TDP (15W vs 100W)
Score
Benchmark
FP32 (float)
GeForce GTX 775M Mac Edition
+636%
2142
GeForce 805A
291
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
-
Base Clock
719 MHz
-
Boost Clock
758 MHz
1250 MHz
Memory Clock
1001 MHz
Memory
2GB
Memory Size
1024MB
GDDR5
Memory Type
DDR3
256bit
Memory Bus
64bit
160.0GB/s
Bandwidth
16.02GB/s
Render Config
1344
Shading Units
192
112
TMUs
16
32
ROPs
8
16 KB (per SMX)
L1 Cache
16 KB (per SMX)
512 KB
L2 Cache
512 KB
Theoretical Performance
22.32 GPixel/s
Pixel Rate
6.064 GPixel/s
89.26 GTexel/s
Texture Rate
12.13 GTexel/s
2.142 TFLOPS
FP32 (float)
291.1 GFLOPS
89.26 GFLOPS
FP64 (double)
12.13 GFLOPS
Board Design
100W
TDP
15W
No outputs
Outputs
No outputs
Graphics Processor
GK104
GPU Name
GK208
N13E-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
