GeForce GTX 680MX Mac Edition vs Radeon R9 M385X
We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 680MX Mac Edition and 4GB VRAM Radeon R9 M385X 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 76.80GB/s)
640 additional rendering cores
Radeon R9 M385X 's Advantages
Released 2 years and 7 months late
Boost Clock1100MHz
More VRAM (4GB vs 2GB)
Score
Benchmark
FP32 (float)
GeForce GTX 680MX Mac Edition
+12%
2209
Radeon R9 M385X
1971
Graphics Card
Oct 2012
Release Date
May 2015
GeForce 600M
Generation
Gem System
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
1000 MHz
-
Boost Clock
1100 MHz
1250 MHz
Memory Clock
1200 MHz
Memory
2GB
Memory Size
4GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
128bit
160.0GB/s
Bandwidth
76.80GB/s
Render Config
-
Compute Units
14
1536
Shading Units
896
128
TMUs
56
32
ROPs
16
16 KB (per SMX)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
256 KB
Theoretical Performance
23.01 GPixel/s
Pixel Rate
17.60 GPixel/s
92.03 GTexel/s
Texture Rate
61.60 GTexel/s
2.209 TFLOPS
FP32 (float)
1.971 TFLOPS
92.03 GFLOPS
FP64 (double)
123.2 GFLOPS
Board Design
122W
TDP
Unknown
No outputs
Outputs
Portable Device Dependent
Graphics Processor
GK104
GPU Name
Strato
N13E-GTX2-A2
GPU Variant
Strato XT
Kepler
Architecture
GCN 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
3.54 billion
Transistors
2.08 billion
294 mm²
Die Size
160 mm²
Graphics Features
12 (11_0)
DirectX
12 (12_0)
4.6
OpenGL
4.6
3.0
OpenCL
2.1
1.1
Vulkan
1.2.170
3.0
CUDA
-
5.1
Shader Model
6.5