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
▲ Specs Compare
Data sourced from official specifications and benchmark tests.