NVIDIA GeForce GTX 680MX Mac Edition vs AMD Radeon R9 M470
GPU Specs Compare
Graphics Card
Release Date
Oct 2012
May 2016
Generation
GeForce 600M
Gem System
Type
Mobile
Mobile
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1250 MHz
1375 MHz
Base Clock
-
900 MHz
Boost Clock
-
1000 MHz
Memory
Memory Size
2GB
4GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
128bit
Bandwidth
160.0GB/s
88.00GB/s
Render Config
Shading Units
1536
768
TMUs
128
48
ROPs
32
16
L1 Cache
16 KB (per SMX)
16 KB (per CU)
L2 Cache
512 KB
256 KB
Compute Units
-
12
Theoretical Performance
Pixel Rate
23.01 GPixel/s
16.00 GPixel/s
Texture Rate
92.03 GTexel/s
48.00 GTexel/s
FP32 (float)
2.209 TFLOPS
1.536 TFLOPS
FP64 (double)
92.03 GFLOPS
96.00 GFLOPS
Graphics Processor
GPU Name
GK104
Emerald
GPU Variant
N13E-GTX2-A2
Emerald PRO
Architecture
Kepler
GCN 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
3.54 billion
2.08 billion
Die Size
294 mm²
160 mm²
Board Design
TDP
122W
Unknown
Outputs
No outputs
Portable Device Dependent
Graphics Features
DirectX
12 (11_0)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
3.0
2.1
Vulkan
1.1
1.2.170
CUDA
3.0
-
Shader Model
5.1
6.5