NVIDIA GeForce GTX 870M vs NVIDIA GeForce GTX 780M Mac Edition

GPU · Specs Compare

Products
GPU NVIDIA GeForce GTX 870M NVIDIA · 2014-03
GPU NVIDIA GeForce GTX 780M Mac Edition NVIDIA · 2013-11
Graphics Card
Release Date
Mar 2014
Nov 2013
Generation
GeForce 800M
GeForce 700M
Type
Mobile
Mobile
Bus Interface
MXM-B (3.0)
MXM-B (3.0)
Clock Speeds
Base Clock
941 MHz
771 MHz
Boost Clock
967 MHz
797 MHz
Memory Clock
1250 MHz
1250 MHz
Memory
Memory Size
3GB
4GB
Memory Type
GDDR5
GDDR5
Memory Bus
192bit
256bit
Bandwidth
120.0GB/s
160.0GB/s
Render Config
Shading Units
1344
1536
TMUs
112
128
ROPs
24
32
L1 Cache
16 KB (per SMX)
16 KB (per SMX)
L2 Cache
384 KB
512 KB
Theoretical Performance
Pixel Rate
27.08 GPixel/s
25.50 GPixel/s
Texture Rate
108.3 GTexel/s
102.0 GTexel/s
FP32 (float)
2.599 TFLOPS
2.448 TFLOPS
FP64 (double)
108.3 GFLOPS
102.0 GFLOPS
Graphics Processor
GPU Name
GK104
GK104
GPU Variant
N15E-GT-A2
N14E-GTX-A2
Architecture
Kepler
Kepler
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
3.54 billion
3.54 billion
Die Size
294 mm²
294 mm²
Board Design
TDP
100W
122W
Outputs
No outputs
No outputs
Power Connectors
None
—
Graphics Features
DirectX
12 (11_0)
12 (11_0)
OpenGL
4.6
4.6
OpenCL
3.0
3.0
Vulkan
1.1
1.1
CUDA
3.0
3.0
Shader Model
5.1
5.1
▲ Specs Compare Data sourced from official specifications and benchmark tests.