NVIDIA GeForce GTX 680MX Mac Edition vs NVIDIA GeForce 920MX
We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 680MX Mac Edition and 2GB VRAM GeForce 920MX 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 14.40GB/s)
1280 additional rendering cores
NVIDIA GeForce 920MX 's Advantages
Released 3 years and 5 months late
Boost Clock993MHz
Lower TDP (16W vs 122W)
Score
Benchmark
FP32 (float)
GeForce GTX 680MX Mac Edition
+334%
2.209 TFLOPS
GeForce 920MX
0.508 TFLOPS
Graphics Card
Oct 2012
Release Date
Mar 2016
GeForce 600M
Generation
GeForce 900M
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x8
Clock Speeds
-
Base Clock
965 MHz
-
Boost Clock
993 MHz
1250 MHz
Memory Clock
900 MHz
Memory
2GB
Memory Size
2GB
GDDR5
Memory Type
DDR3
256bit
Memory Bus
64bit
160.0GB/s
Bandwidth
14.40GB/s
Render Config
-
-
-
-
-
-
1536
Shading Units
256
128
TMUs
24
32
ROPs
8
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
64 KB (per SMM)
512 KB
L2 Cache
1024 KB
-
-
-
Theoretical Performance
23.01 GPixel/s
Pixel Rate
7.944 GPixel/s
92.03 GTexel/s
Texture Rate
23.83 GTexel/s
-
-
-
2.209 TFLOPS
FP32 (float)
508.4 GFLOPS
92.03 GFLOPS
FP64 (double)
15.89 GFLOPS
Board Design
122W
TDP
16W
-
-
-
No outputs
Outputs
No outputs
-
Power Connectors
None
Graphics Processor
GK104
GPU Name
GM108
N13E-GTX2-A2
GPU Variant
N16V-GMR1-S
Kepler
Architecture
Maxwell
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
3.54 billion
Transistors
Unknown
294 mm²
Die Size
Unknown
Graphics Features
12 (11_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.1
Vulkan
1.3
3.0
CUDA
5.0
5.1
Shader Model
5.1
