GeForce GTX 680MX Mac Edition vs GeForce GTX 850A
We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 680MX Mac Edition and 2GB VRAM GeForce GTX 850A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce GTX 680MX Mac Edition 's Advantages
Larger VRAM bandwidth (160.0GB/s vs 28.80GB/s)
896 additional rendering cores
GeForce GTX 850A 's Advantages
Released 1 years and 5 months late
Boost Clock936MHz
Lower TDP (45W vs 122W)
Score
Benchmark
FP32 (float)
GeForce GTX 680MX Mac Edition
+84%
2209
GeForce GTX 850A
1198
Graphics Card
Oct 2012
Release Date
Mar 2014
GeForce 600M
Generation
GeForce 800A
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
902 MHz
-
Boost Clock
936 MHz
1250 MHz
Memory Clock
900 MHz
Memory
2GB
Memory Size
2GB
GDDR5
Memory Type
DDR3
256bit
Memory Bus
128bit
160.0GB/s
Bandwidth
28.80GB/s
Render Config
1536
Shading Units
640
128
TMUs
40
32
ROPs
16
16 KB (per SMX)
L1 Cache
64 KB (per SMM)
512 KB
L2 Cache
2 MB
Theoretical Performance
23.01 GPixel/s
Pixel Rate
14.98 GPixel/s
92.03 GTexel/s
Texture Rate
37.44 GTexel/s
2.209 TFLOPS
FP32 (float)
1198 GFLOPS
92.03 GFLOPS
FP64 (double)
37.44 GFLOPS
Board Design
122W
TDP
45W
No outputs
Outputs
No outputs
Graphics Processor
GK104
GPU Name
GM107
N13E-GTX2-A2
GPU Variant
N15P-GT-A1
Kepler
Architecture
Maxwell
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
3.54 billion
Transistors
1.87 billion
294 mm²
Die Size
148 mm²
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
