NVIDIA GeForce GTX 980MX vs NVIDIA GeForce GTX 680MX Mac Edition
We compared two Mobile platform GPUs: 8GB VRAM GeForce GTX 980MX and 2GB VRAM GeForce GTX 680MX Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GTX 980MX 's Advantages
Released 3 years and 8 months late
Boost Clock1178MHz
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (192.0GB/s vs 160.0GB/s)
128 additional rendering cores
NVIDIA GeForce GTX 680MX Mac Edition 's Advantages
Lower TDP (122W vs 148W)
Score
Benchmark
FP32 (float)
GeForce GTX 980MX
+77%
3.92 TFLOPS
GeForce GTX 680MX Mac Edition
2.209 TFLOPS
Graphics Card
Jun 2016
Release Date
Oct 2012
GeForce 900M
Generation
GeForce 600M
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
1050 MHz
Base Clock
-
1178 MHz
Boost Clock
-
1500 MHz
Memory Clock
1250 MHz
Memory
8GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
256bit
192.0GB/s
Bandwidth
160.0GB/s
Render Config
-
-
-
-
-
-
1664
Shading Units
1536
104
TMUs
128
64
ROPs
32
-
-
-
-
-
-
48 KB (per SMM)
L1 Cache
16 KB (per SMX)
2 MB
L2 Cache
512 KB
-
-
-
Theoretical Performance
75.39 GPixel/s
Pixel Rate
23.01 GPixel/s
122.5 GTexel/s
Texture Rate
92.03 GTexel/s
-
-
-
3.920 TFLOPS
FP32 (float)
2.209 TFLOPS
122.5 GFLOPS
FP64 (double)
92.03 GFLOPS
Board Design
148W
TDP
122W
-
-
-
No outputs
Outputs
No outputs
None
Power Connectors
-
Graphics Processor
GM204
GPU Name
GK104
N16E-GXX-A1
GPU Variant
N13E-GTX2-A2
Maxwell 2.0
Architecture
Kepler
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
5.2 billion
Transistors
3.54 billion
398 mm²
Die Size
294 mm²
Graphics Features
12 (12_1)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.3
Vulkan
1.1
5.2
CUDA
3.0
6.4
Shader Model
5.1
