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iGame970-4GD5 Ymir-U / N970-405-U1S

Colorful iGame970-4GD5 Ymir-U (part number N970-405-U1S) is a desktop Graphics Processing Unit, based on NVIDIA GeForce GTX 970, and manufactured using 28 nm technology. The card runs at 1.05 GHz, and supports boost technology, that can increase operating frequency up to 1.178 GHz. Furthermore, it has 1664 CUDA cores, 56 ROPs, and 104 texture units. The iGame970-4GD5 Ymir-U incorporates 4 GB of GDDR5 memory, clocked at 1.7525 GHz. It has a 256 bit wide memory bus, which gives 224.32 GB/s memory bandwidth. The GPU has PCI Express 3.0 interface, and uses 2 motherboard slots. This model has the maximum power draw of 145 Watt.

Please see below for detailed specifications of the graphics card.

Colorful iGame970-4GD5 Ymir-U GPU specifications

Name / Brand / Architecture

Manufacturer: Colorful
Model: iGame970-4GD5 Ymir-U
Part number: N970-405-U1S
Based on: NVIDIA GeForce GTX 970 [Compare]
Target market segment: Desktop
Die name: GM204-200-A1
Architecture: Maxwell
Fabrication process: 28 nm
Transistors: 5.20 billion
Bus interface: PCI-E 3.0 x 16

Frequency

Base clock: 1050 MHz
GPU boost: 2.0
Boost clock: 1178 MHz

Memory specifications

Memory size: 4096 MB
Memory type: GDDR5
Memory clock: 1752.5 MHz
Memory clock (effective): 7010 MHz
Memory interface width: 256-bit
Memory bandwidth: 224.32 GB/s

Cores / Texture

CUDA: 5.2
CUDA cores: 1664
ROPs: 56
Texture units: 104
RAMDACs: 400 MHz

SLI / Crossfire

Maximum SLI options: 4-way

Electric characteristics

Maximum GPU temp: 98 C
Maximum power draw: 145 W

Video features

Multi-monitor: Up to 4 displays
Maximum digital resolution: 4096 x 2160 @ 60 Hz
Maximum DP resolution: 4096 x 2160 @ 60 Hz
Maximum DVI resolution: 2560 x 1600
Maximum HDMI resolution: 4096 x 2160 @ 60 Hz
Maximum VGA resolution: 2048 x 1536
Anti-Aliasing technologies: MFAA
TXAA
HDMI: Yes
HDMI version: 2.0

Performance

Pixel fill rate: 65.97 Gigapixels/s
Texture fill rate: 122.51 Gigatexels/s
Single presision compute power: 3920.38 GFLOPS
Double precision compute power: 122.51 GFLOPS

External connectors

Standard display connectors: DisplayPort
Dual Link DVI-D
Dual Link DVI-I
HDMI
Power connectors: 2 x 6-Pin
Audio input for HDMI: Yes

Dimensions

Width: Dual Slot

Other features / Support

Other features: 3D Vision  ? 
3D Vision Surround  ? 
HDCP
PhysX
Open CL support: 1.1
OpenGL support: 4.4
DirectX support: 12.0
Shader model: 5.0

Notes


Due to the memory organisation, only the first 3.5 GB memory operates at the recorded speeds. The remaing 512 MB operates at a slower speed of approx 22 GB/s.
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