NVIDIA GeForce GTX 680MX Mac Edition vs NVIDIA GeForce GT 320M
We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 680MX Mac Edition and 1024MB VRAM GeForce GT 320M 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
Released 2 years and 7 months late
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (160.0GB/s vs 25.28GB/s)
1512 additional rendering cores
NVIDIA GeForce GT 320M 's Advantages
Lower TDP (23W vs 122W)
Score
Benchmark
FP32 (float)
GeForce GTX 680MX Mac Edition
+4067%
2.209 TFLOPS
GeForce GT 320M
0.053 TFLOPS
Graphics Card
Oct 2012
Release Date
Mar 2010
GeForce 600M
Generation
GeForce 300M
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
-
-
-
-
-
1250 MHz
Memory Clock
790 MHz
Memory
2GB
Memory Size
1024MB
GDDR5
Memory Type
DDR3
256bit
Memory Bus
128bit
160.0GB/s
Bandwidth
25.28GB/s
Render Config
-
-
-
-
SM Count
3
1536
Shading Units
24
128
TMUs
8
32
ROPs
8
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
-
512 KB
L2 Cache
64 KB
-
-
-
Theoretical Performance
23.01 GPixel/s
Pixel Rate
4.000 GPixel/s
92.03 GTexel/s
Texture Rate
4.000 GTexel/s
-
-
-
2.209 TFLOPS
FP32 (float)
52.80 GFLOPS
92.03 GFLOPS
FP64 (double)
-
Board Design
122W
TDP
23W
-
-
-
No outputs
Outputs
No outputs
-
-
-
Graphics Processor
GK104
GPU Name
GT216
N13E-GTX2-A2
GPU Variant
-
Kepler
Architecture
Tesla 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
3.54 billion
Transistors
0.486 billion
294 mm²
Die Size
100 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
