NVIDIA GeForce GTX 775M Mac Edition vs AMD Radeon 550X Mobile
GPU Specs Compare
Graphics Card
Release Date
Nov 2013
Apr 2018
Generation
GeForce 700M
Mobility Radeon
Type
Mobile
Mobile
Bus Interface
MXM-B (3.0)
PCIe 3.0 x8
Clock Speeds
Memory Clock
1250 MHz
1500 MHz
Base Clock
-
1100 MHz
Boost Clock
-
1287 MHz
Memory
Memory Size
2GB
4GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
64bit
Bandwidth
160.0GB/s
48.00GB/s
Render Config
Shading Units
1344
640
TMUs
112
40
ROPs
32
16
L1 Cache
16 KB (per SMX)
16 KB (per CU)
L2 Cache
512 KB
256 KB
Compute Units
-
10
Theoretical Performance
Pixel Rate
22.32 GPixel/s
20.59 GPixel/s
Texture Rate
89.26 GTexel/s
51.48 GTexel/s
FP32 (float)
2.142 TFLOPS
1.647 TFLOPS
FP64 (double)
89.26 GFLOPS
103.0 GFLOPS
FP16 (half)
-
1.647 TFLOPS
Graphics Processor
GPU Name
GK104
Polaris 23
GPU Variant
N13E-GTX-A2
Polaris 23 MXT
Architecture
Kepler
GCN 4.0
Foundry
TSMC
GlobalFoundries
Process Size
28 nm
14 nm
Transistors
3.54 billion
2.2 billion
Die Size
294 mm²
103 mm²
Board Design
TDP
100W
50W
Outputs
No outputs
No outputs
Power Connectors
-
None
Graphics Features
DirectX
12 (11_0)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
3.0
2.1
Vulkan
1.1
1.2
CUDA
3.0
-
Shader Model
5.1
6.4