NVIDIA GeForce GTX 680MX Mac Edition vs NVIDIA GeForce GTX 970M
We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 680MX Mac Edition and 3GB VRAM GeForce GTX 970M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GTX 680MX Mac Edition 's Advantages
Larger VRAM bandwidth (160.0GB/s vs 120.3GB/s)
256 additional rendering cores
NVIDIA GeForce GTX 970M 's Advantages
Released 2 years late
Boost Clock1038MHz
More VRAM (3GB vs 2GB)
Score
Benchmark
FP32 (float)
GeForce GTX 680MX Mac Edition
2.209 TFLOPS
GeForce GTX 970M
+20%
2.657 TFLOPS
Graphics Card
Oct 2012
Release Date
Oct 2014
GeForce 600M
Generation
GeForce 900M
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
MXM-B (3.0)
Clock Speeds
-
Base Clock
924 MHz
-
Boost Clock
1038 MHz
1250 MHz
Memory Clock
1253 MHz
Memory
2GB
Memory Size
3GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
192bit
160.0GB/s
Bandwidth
120.3GB/s
Render Config
-
-
-
-
-
-
1536
Shading Units
1280
128
TMUs
80
32
ROPs
48
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
48 KB (per SMM)
512 KB
L2 Cache
1536 KB
-
-
-
Theoretical Performance
23.01 GPixel/s
Pixel Rate
49.82 GPixel/s
92.03 GTexel/s
Texture Rate
83.04 GTexel/s
-
-
-
2.209 TFLOPS
FP32 (float)
2.657 TFLOPS
92.03 GFLOPS
FP64 (double)
83.04 GFLOPS
Board Design
122W
TDP
Unknown
-
-
-
No outputs
Outputs
Portable Device Dependent
-
Power Connectors
None
Graphics Processor
GK104
GPU Name
GM204
N13E-GTX2-A2
GPU Variant
N16E-GT-A2
Kepler
Architecture
Maxwell 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
3.54 billion
Transistors
5.2 billion
294 mm²
Die Size
398 mm²
Graphics Features
12 (11_0)
DirectX
12 (12_1)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.1
Vulkan
1.3
3.0
CUDA
5.2
5.1
Shader Model
6.7 (6.4)
