GeForce GTX 680MX Mac Edition vs Radeon R7 M270
We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 680MX Mac Edition and 2GB VRAM Radeon R7 M270 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)
1152 additional rendering cores
Radeon R7 M270 's Advantages
Released 1 years and 3 months late
Boost Clock825MHz
Score
Benchmark
FP32 (float)
GeForce GTX 680MX Mac Edition
+248%
2209
Radeon R7 M270
633
Graphics Card
Oct 2012
Release Date
Jan 2014
GeForce 600M
Generation
Gem System
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x8
Clock Speeds
-
Base Clock
725 MHz
-
Boost Clock
825 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
-
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
256 KB
Theoretical Performance
23.01 GPixel/s
Pixel Rate
6.600 GPixel/s
92.03 GTexel/s
Texture Rate
19.80 GTexel/s
2.209 TFLOPS
FP32 (float)
633.6 GFLOPS
92.03 GFLOPS
FP64 (double)
-
Board Design
122W
TDP
Unknown
No outputs
Outputs
Portable Device Dependent
Graphics Processor
GK104
GPU Name
Opal
N13E-GTX2-A2
GPU Variant
Opal XT
Kepler
Architecture
GCN 1.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
3.54 billion
Transistors
0.95 billion
294 mm²
Die Size
77 mm²
Graphics Features
12 (11_0)
DirectX
12 (11_1)
4.6
OpenGL
4.6
3.0
OpenCL
2.1 (1.2)
1.1
Vulkan
1.2.170
3.0
CUDA
-
5.1
Shader Model
6.5 (5.1)