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GeForce GTX 780M and GeForce GTX 675MX Mac Edition - video card comparison


GeForce GTX 780M

GeForce GTX 675MX Mac Edition


Architecture
Kepler (2012−2018)
Kepler (2012−2018)

GPU code name
N14E-GTX
GK104

Market segment
Laptop
Desktop

Release date
May 2013
April 2013

Bus support
PCI Express 3.0, PCI Express 2.0
-

Interface
MXM-B (3.0)
PCIe 3.0 x16

Supplementary power connectors
None
-

SLI options
+
-

Boost clock speed
797 MHz
-

Core clock speed
823 MHz
719 MHz

CUDA cores
1536
-

Floating-point performance
2,448 gflops
1,933 gflops

Manufacturing process technology
28 nm
28 nm

Number of transistors
3,540 million
3,540 million

Pipelines / CUDA cores
1536
1344

Power consumption (TDP)
122 Watt
100 Watt

Texture fill rate
102.0
80.53

Memory type
GDDR5
GDDR5

Maximum RAM amount
4 GB
1 GB

Memory bus width
256 Bit
256 Bit

Memory clock speed
2500 MHz
5000 MHz

Memory bandwidth
160.0 GB/s
160.0 GB/s

Shared memory
-
-

Standard memory configuration
GDDR5
-

Display Connectors
No outputs
No outputs

eDP 1.2 signal support
Up to 3840x2160
-

LVDS signal support
Up to 1920x1200
-

VGA аnalog display support
Up to 2048x1536
-

DisplayPort Multimode (DP++) support
Up to 3840x2160
-

HDCP content protection
+
-

HDMI
+
-

7.1 channel HD audio on HDMI
+
-

DirectX
12 API
12 (11_0)

CUDA
+
3.0

OpenCL
1.1
1.2

OpenGL
4.5
4.6

Shader Model
5.1
5.1

Vulkan
1.1.126
1.1.126

3D Vision / 3DTV Play
+
-

Blu-Ray 3D Support
+
-

H.264, VC1, MPEG2 1080p video decoder
+
-

Optimus
+
-

TrueHD and DTS-HD audio bitstreaming
+
-