NVIDIA GeForce GTX 970M vs NVIDIA GeForce GTX 680MX Mac Edition
GPU · Specs Compare
Graphics Card
Release Date
Oct 2014
Oct 2012
Generation
GeForce 900M
GeForce 600M
Type
Mobile
Mobile
Bus Interface
MXM-B (3.0)
PCIe 3.0 x16
Clock Speeds
Base Clock
924 MHz
—
Boost Clock
1038 MHz
—
Memory Clock
1253 MHz
1250 MHz
Memory
Memory Size
3GB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
192bit
256bit
Bandwidth
120.3GB/s
160.0GB/s
Render Config
Shading Units
1280
1536
TMUs
80
128
ROPs
48
32
L1 Cache
48 KB (per SMM)
16 KB (per SMX)
L2 Cache
1536 KB
512 KB
Theoretical Performance
Pixel Rate
49.82 GPixel/s
23.01 GPixel/s
Texture Rate
83.04 GTexel/s
92.03 GTexel/s
FP32 (float)
2.657 TFLOPS
2.209 TFLOPS
FP64 (double)
83.04 GFLOPS
92.03 GFLOPS
Graphics Processor
GPU Name
GM204
GK104
GPU Variant
N16E-GT-A2
N13E-GTX2-A2
Architecture
Maxwell 2.0
Kepler
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
5.2 billion
3.54 billion
Die Size
398 mm²
294 mm²
Board Design
TDP
Unknown
122W
Outputs
Portable Device Dependent
No outputs
Power Connectors
None
—
Graphics Features
DirectX
12 (12_1)
12 (11_0)
OpenGL
4.6
4.6
OpenCL
3.0
3.0
Vulkan
1.3
1.1
CUDA
5.2
3.0
Shader Model
6.7 (6.4)
5.1
▲ Specs Compare
Data sourced from official specifications and benchmark tests.