AMD Radeon R9 M290X vs NVIDIA GeForce GTX 775M Mac Edition
GPU Specs Compare
Graphics Card
Release Date
Jan 2014
Nov 2013
Generation
Gem System
GeForce 700M
Type
Mobile
Mobile
Bus Interface
PCIe 3.0 x16
MXM-B (3.0)
Clock Speeds
Base Clock
850 MHz
-
Boost Clock
900 MHz
-
Memory Clock
1200 MHz
1250 MHz
Memory
Memory Size
4GB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
256bit
Bandwidth
153.6GB/s
160.0GB/s
Render Config
Compute Units
20
-
Shading Units
1280
1344
TMUs
80
112
ROPs
32
32
L1 Cache
16 KB (per CU)
16 KB (per SMX)
L2 Cache
512 KB
512 KB
Theoretical Performance
Pixel Rate
28.80 GPixel/s
22.32 GPixel/s
Texture Rate
72.00 GTexel/s
89.26 GTexel/s
FP32 (float)
2.304 TFLOPS
2.142 TFLOPS
FP64 (double)
144.0 GFLOPS
89.26 GFLOPS
Graphics Processor
GPU Name
Neptune
GK104
GPU Variant
Neptune XT(216-0847000)
N13E-GTX-A2
Architecture
GCN 1.0
Kepler
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
2.8 billion
3.54 billion
Die Size
212 mm²
294 mm²
Board Design
TDP
100W
100W
Outputs
Portable Device Dependent
No outputs
Power Connectors
None
-
Graphics Features
DirectX
12 (11_1)
12 (11_0)
OpenGL
4.6
4.6
OpenCL
2.1 (1.2)
3.0
Vulkan
1.2.170
1.1
Shader Model
6.5 (5.1)
5.1
CUDA
-
3.0