NVIDIA GeForce GTX 680MX Mac Edition vs AMD Radeon R9 M295X Mac Edition
We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 680MX Mac Edition and 4GB VRAM Radeon R9 M295X Mac Edition 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
Lower TDP (122W vs 250W)
AMD Radeon R9 M295X Mac Edition 's Advantages
Released 2 years and 1 months late
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (174.3GB/s vs 160.0GB/s)
512 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GTX 680MX Mac Edition
2.209 TFLOPS
Radeon R9 M295X Mac Edition
+57%
3.482 TFLOPS
Graphics Card
Oct 2012
Release Date
Nov 2014
GeForce 600M
Generation
Crystal System
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
MXM-B (3.0)
Clock Speeds
-
-
-
-
-
-
1250 MHz
Memory Clock
1362 MHz
Memory
2GB
Memory Size
4GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
256bit
160.0GB/s
Bandwidth
174.3GB/s
Render Config
-
Compute Units
32
-
-
-
1536
Shading Units
2048
128
TMUs
128
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
27.20 GPixel/s
92.03 GTexel/s
Texture Rate
108.8 GTexel/s
-
FP16 (half)
3.482 TFLOPS
2.209 TFLOPS
FP32 (float)
3.482 TFLOPS
92.03 GFLOPS
FP64 (double)
217.6 GFLOPS
Board Design
122W
TDP
250W
-
-
-
No outputs
Outputs
No outputs
-
-
-
Graphics Processor
GK104
GPU Name
Amethyst
N13E-GTX2-A2
GPU Variant
Amethyst XT
Kepler
Architecture
GCN 3.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
3.54 billion
Transistors
5 billion
294 mm²
Die Size
366 mm²
Graphics Features
12 (11_0)
DirectX
12 (12_0)
4.6
OpenGL
4.6
3.0
OpenCL
2.0
1.1
Vulkan
1.2
3.0
CUDA
-
5.1
Shader Model
6.3
