NVIDIA GeForce GTX 675MX Mac Edition vs NVIDIA GeForce 405M
We compared two Mobile platform GPUs: 1024MB VRAM GeForce GTX 675MX Mac Edition and 512MB VRAM GeForce 405M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GTX 675MX Mac Edition 's Advantages
Released 2 years and 3 months late
More VRAM (1024GB vs 512GB)
Larger VRAM bandwidth (160.0GB/s vs 12.80GB/s)
1328 additional rendering cores
NVIDIA GeForce 405M 's Advantages
Lower TDP (14W vs 100W)
Score
Benchmark
FP32 (float)
GeForce GTX 675MX Mac Edition
+4856%
1.933 TFLOPS
GeForce 405M
0.039 TFLOPS
Graphics Card
Apr 2013
Release Date
Jan 2011
GeForce 600M
Generation
GeForce 400M
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
-
-
-
-
-
1250 MHz
Memory Clock
800 MHz
Memory
1024MB
Memory Size
512MB
GDDR5
Memory Type
GDDR3
256bit
Memory Bus
64bit
160.0GB/s
Bandwidth
12.80GB/s
Render Config
-
-
-
-
SM Count
2
1344
Shading Units
16
112
TMUs
8
32
ROPs
4
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
-
512 KB
L2 Cache
32 KB
-
-
-
Theoretical Performance
20.13 GPixel/s
Pixel Rate
2.424 GPixel/s
80.53 GTexel/s
Texture Rate
4.848 GTexel/s
-
-
-
1.933 TFLOPS
FP32 (float)
38.78 GFLOPS
80.53 GFLOPS
FP64 (double)
-
Board Design
100W
TDP
14W
-
-
-
No outputs
Outputs
No outputs
-
-
-
Graphics Processor
GK104
GPU Name
GT218
N13E-GSR-A2
GPU Variant
-
Kepler
Architecture
Tesla 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
3.54 billion
Transistors
0.26 billion
294 mm²
Die Size
57 mm²
Graphics Features
12 (11_0)
DirectX
11.1 (10_1)
4.6
OpenGL
3.3
3.0
OpenCL
1.1
1.1
Vulkan
N/A
3.0
CUDA
1.2
5.1
Shader Model
4.1
