NVIDIA GeForce GTX 870M vs NVIDIA GeForce GTX 680MX Mac Edition
We compared two Mobile platform GPUs: 3GB VRAM GeForce GTX 870M 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
NVIDIA GeForce GTX 870M 's Advantages
Released 1 years and 5 months late
Boost Clock967MHz
More VRAM (3GB vs 2GB)
Lower TDP (100W vs 122W)
NVIDIA GeForce GTX 680MX Mac Edition 's Advantages
Larger VRAM bandwidth (160.0GB/s vs 120.0GB/s)
192 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GTX 870M
+17%
2.599 TFLOPS
GeForce GTX 680MX Mac Edition
2.209 TFLOPS
Graphics Card
Mar 2014
Release Date
Oct 2012
GeForce 800M
Generation
GeForce 600M
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
PCIe 3.0 x16
Clock Speeds
941 MHz
Base Clock
-
967 MHz
Boost Clock
-
1250 MHz
Memory Clock
1250 MHz
Memory
3GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
192bit
Memory Bus
256bit
120.0GB/s
Bandwidth
160.0GB/s
Render Config
-
-
-
-
-
-
1344
Shading Units
1536
112
TMUs
128
24
ROPs
32
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
16 KB (per SMX)
384 KB
L2 Cache
512 KB
-
-
-
Theoretical Performance
27.08 GPixel/s
Pixel Rate
23.01 GPixel/s
108.3 GTexel/s
Texture Rate
92.03 GTexel/s
-
-
-
2.599 TFLOPS
FP32 (float)
2.209 TFLOPS
108.3 GFLOPS
FP64 (double)
92.03 GFLOPS
Board Design
100W
TDP
122W
-
-
-
No outputs
Outputs
No outputs
None
Power Connectors
-
Graphics Processor
GK104
GPU Name
GK104
N15E-GT-A2
GPU Variant
N13E-GTX2-A2
Kepler
Architecture
Kepler
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
3.54 billion
Transistors
3.54 billion
294 mm²
Die Size
294 mm²
Graphics Features
12 (11_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.1
Vulkan
1.1
3.0
CUDA
3.0
5.1
Shader Model
5.1
