GeForce 705A vs GeForce GTX 680MX Mac Edition
We compared two Mobile platform GPUs: 1024MB VRAM GeForce 705A and 2GB VRAM GeForce GTX 680MX Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce 705A Advantages
Released 1 years and 9 months late
Lower TDP (15W vs 122W)
GeForce GTX 680MX Mac Edition Advantages
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (160.0GB/s vs 14.40GB/s)
1488 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce 705A
91
GeForce GTX 680MX Mac Edition
+2327%
2209
Graphics Card
Jul 2014
Release Date
Oct 2012
GeForce 700A
Generation
GeForce 600M
Mobile
Type
Mobile
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
900 MHz
Memory Clock
1250 MHz
Memory
1024MB
Memory Size
2GB
DDR3
Memory Type
GDDR5
64bit
Memory Bus
256bit
14.40GB/s
Bandwidth
160.0GB/s
Render Config
1
SM Count
-
48
Shading Units
1536
8
TMUs
128
4
ROPs
32
64 KB (per SM)
L1 Cache
16 KB (per SMX)
128 KB
L2 Cache
512 KB
Theoretical Performance
950.0 MPixel/s
Pixel Rate
23.01 GPixel/s
3.800 GTexel/s
Texture Rate
92.03 GTexel/s
91.20 GFLOPS
FP32 (float)
2.209 TFLOPS
7.600 GFLOPS
FP64 (double)
92.03 GFLOPS
Board Design
15W
TDP
122W
No outputs
Outputs
No outputs
Graphics Processor
GF119
GPU Name
GK104
GF119 B1
GPU Variant
N13E-GTX2-A2
Fermi 2.0
Architecture
Kepler
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
0.292 billion
Transistors
3.54 billion
79 mm²
Die Size
294 mm²
Graphics Features
12 (11_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
1.1
OpenCL
3.0
N/A
Vulkan
1.1
2.1
CUDA
3.0
5.1
Shader Model
5.1
