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GeForce GTX 880M and Quadro K620 - video card comparison


Passmark - benchmark score GeForce GTX 880M vs Quadro K620

GeForce GTX 880M
3917
Quadro K620
2297

GeForce GTX 880M

Quadro K620


Architecture
Kepler (2012−2018)
Maxwell (2014−2018)

GPU code name
N15E-GX-A2
GM107

Market segment
Laptop
Workstation

Release date
March 2014
July 2014

Bus support
PCI Express 2.0, PCI Express 3.0
-

Interface
MXM-B (3.0)
PCIe 2.0 x16

Supplementary power connectors
None
None

SLI options
+
-

Boost clock speed
993 MHz
1124 MHz

Core clock speed
954 MHz
1058 MHz

CUDA cores
1536
-

Floating-point performance
3,050 gflops
863.2 gflops

Manufacturing process technology
28 nm
28 nm

Number of transistors
3,540 million
1,870 million

Pipelines / CUDA cores
1536
384

Power consumption (TDP)
122 Watt
41 Watt

Texture fill rate
127.1
26.98

Memory type
GDDR5
128 Bit

Maximum RAM amount
8 GB
2 GB

Memory bus width
256 Bit
128 Bit

Memory clock speed
Up to 2500 MHz
1800 MHz

Memory bandwidth
160.0 GB/s
Up to 29 GB/s

Shared memory
-
-

Standard memory configuration
GDDR5
-

Display Connectors
No outputs
DVI-I DP

Number of simultaneous displays
-
4

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 (11_0)
12

CUDA
+
5.0

OpenCL
1.1
1.2

OpenGL
4.5
4.5

Shader Model
5.1
5

Vulkan
1.1.126
+

3D Vision Pro
-
+

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

Mosaic
-
+

nView Desktop Management
-
+

Optimus
+
-

TrueHD and DTS-HD audio bitstreaming
+
-