GeForce GTX 680MX Mac Edition vs Radeon R9 M390 Mac Edition
We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 680MX Mac Edition and 2GB VRAM Radeon R9 M390 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce GTX 680MX Mac Edition 's Advantages
512 additional rendering cores
Radeon R9 M390 Mac Edition 's Advantages
Released 2 years and 7 months late
Larger VRAM bandwidth (174.7GB/s vs 160.0GB/s)
Lower TDP (80W vs 122W)
Score
Benchmark
FP32 (float)
GeForce GTX 680MX Mac Edition
+12%
2209
Radeon R9 M390 Mac Edition
1962
Graphics Card
Oct 2012
Release Date
May 2015
GeForce 600M
Generation
Crystal System
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
1250 MHz
Memory Clock
1365 MHz
Memory
2GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
256bit
160.0GB/s
Bandwidth
174.7GB/s
Render Config
-
Compute Units
16
1536
Shading Units
1024
128
TMUs
64
32
ROPs
32
16 KB (per SMX)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
512 KB
Theoretical Performance
23.01 GPixel/s
Pixel Rate
30.66 GPixel/s
92.03 GTexel/s
Texture Rate
61.31 GTexel/s
2.209 TFLOPS
FP32 (float)
1.962 TFLOPS
92.03 GFLOPS
FP64 (double)
122.6 GFLOPS
Board Design
122W
TDP
80W
No outputs
Outputs
No outputs
-
Power Connectors
None
Graphics Processor
GK104
GPU Name
Pitcairn
N13E-GTX2-A2
GPU Variant
Pitcairn PRO
(215-0828062)
Kepler
Architecture
GCN 1.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
3.54 billion
Transistors
2.8 billion
294 mm²
Die Size
212 mm²
Graphics Features
12 (11_0)
DirectX
12 (11_1)
4.6
OpenGL
4.6
3.0
OpenCL
1.2
1.1
Vulkan
1.2
3.0
CUDA
-
5.1
Shader Model
5.1
