AMD Radeon R9 M390 Mac Edition vs NVIDIA GeForce GTX 650 Ti Boost
GPU · Specs Compare
Graphics Card
Release Date
May 2015
Mar 2013
Generation
Crystal System
GeForce 600
Type
Mobile
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1365 MHz
1502 MHz
Base Clock
—
980 MHz
Boost Clock
—
1032 MHz
Memory
Memory Size
2GB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
192bit
Bandwidth
174.7GB/s
144.2GB/s
Render Config
Compute Units
16
—
Shading Units
1024
768
TMUs
64
64
ROPs
32
24
L1 Cache
16 KB (per CU)
16 KB (per SMX)
L2 Cache
512 KB
384 KB
Theoretical Performance
Pixel Rate
30.66 GPixel/s
16.51 GPixel/s
Texture Rate
61.31 GTexel/s
66.05 GTexel/s
FP32 (float)
1.962 TFLOPS
1.585 TFLOPS
FP64 (double)
122.6 GFLOPS
66.05 GFLOPS
Graphics Processor
GPU Name
Pitcairn
GK106
GPU Variant
Pitcairn PRO(215-0828062)
GK106-240-A1
Architecture
GCN 1.0
Kepler
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
2.8 billion
2.54 billion
Die Size
212 mm²
221 mm²
Board Design
TDP
80W
134W
Outputs
No outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
None
1x 6-pin
Suggested PSU
—
300 W
Graphics Features
DirectX
12 (11_1)
12 (11_0)
OpenGL
4.6
4.6
OpenCL
1.2
3.0
Vulkan
1.2
1.1
Shader Model
5.1
5.1
CUDA
—
3.0
▲ Specs Compare
Data sourced from official specifications and benchmark tests.