Logo

GeForce GTX 970 and GeForce GT 635M - video card comparison


Passmark - benchmark score GeForce GTX 970 vs GeForce GT 635M

GeForce GTX 970
9932
GeForce GT 635M
578

GeForce GTX 970

GeForce GT 635M


Architecture
Maxwell (2014−2018)
Fermi (2010−2014)

GPU code name
GM204
N13E-GE2

Market segment
Desktop
Laptop

Release date
September 2014
December 2011

Bus support
PCI Express 3.0
PCI Express 2.0

Interface
PCIe 3.0 x16
PCIe 2.0 x16

Recommended system power (PSU)
500 Watt
-

Supplementary power connectors
2x 6-pins
-

SLI options
+
-

Boost clock speed
1178 MHz
753 MHz

Core clock speed
1050 MHz
Up to 675 MHz

CUDA cores
1664
Up to 144

Floating-point performance
3,920 gflops
253.4 gflops

Manufacturing process technology
28 nm
40 nm

Number of transistors
5,200 million
1,170 million

Pipelines / CUDA cores
1664
144

Power consumption (TDP)
145 Watt
35 Watt

Maximum GPU temperature
98 °C
-

Texture fill rate
109 billion/sec
Up to 16.2 billion/sec

Memory type
GDDR5
DDR3

Maximum RAM amount
4 GB
2 GB

Memory bus width
256 Bit
Up to 192bit

Memory clock speed
7.0 GB/s
1800 MHz

Memory bandwidth
224 GB/s
Up to 43.2 GB/s

Shared memory
-
-

Display Connectors
Dual Link DVI-I, HDMI 2.0, 3x DisplayPort 1.2
No outputs

Multi monitor support
4 displays
-

HDMI
+
+

HDCP
+
+

Maximum VGA resolution
2048x1536
Up to 2048x1536

G-SYNC support
+
-

Audio input for HDMI
Internal
-

DirectX
12 (12_1)
12 API

CUDA
+
+

OpenCL
1.2
1.1

OpenGL
4.4
4.5

Shader Model
6.4
5.1

Vulkan
1.1.126
N/A

3D Blu-Ray
-
+

GameStream
+
-

GameWorks
+
-

GeForce ShadowPlay
+
-

GPU Boost
2.0
-

Optimus
-
+