NVIDIA GeForce GTX 680MX Mac Edition vs AMD Radeon R5 M445
We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 680MX Mac Edition and 4GB VRAM Radeon R5 M445 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 32.00GB/s)
1152 additional rendering cores
AMD Radeon R5 M445 's Advantages
Released 3 years and 3 months late
More VRAM (4GB vs 2GB)
Score
Benchmark
FP32 (float)
GeForce GTX 680MX Mac Edition
+212%
2.209 TFLOPS
Radeon R5 M445
0.706 TFLOPS
Graphics Card
Oct 2012
Release Date
Jan 2016
GeForce 600M
Generation
Gem System
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x8
Clock Speeds
-
-
-
-
-
-
1250 MHz
Memory Clock
1000 MHz
Memory
2GB
Memory Size
4GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
64bit
160.0GB/s
Bandwidth
32.00GB/s
Render Config
-
Compute Units
6
-
-
-
1536
Shading Units
384
128
TMUs
24
32
ROPs
8
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
128 KB
-
-
-
Theoretical Performance
23.01 GPixel/s
Pixel Rate
7.360 GPixel/s
92.03 GTexel/s
Texture Rate
22.08 GTexel/s
-
-
-
2.209 TFLOPS
FP32 (float)
706.6 GFLOPS
92.03 GFLOPS
FP64 (double)
-
Board Design
122W
TDP
Unknown
-
-
-
No outputs
Outputs
Portable Device Dependent
-
-
-
Graphics Processor
GK104
GPU Name
Meso
N13E-GTX2-A2
GPU Variant
Meso XT
(216-0864018)
Kepler
Architecture
GCN 3.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
3.54 billion
Transistors
1.55 billion
294 mm²
Die Size
125 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
