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Acer GeForce 820M 2 GB

Graphics Processor
GF117B
Cores
96
TMUs
16
ROPs
8
Memory Size
2 GB
Memory Type
DDR3
Bus Width
64 bit
Front GPU Chip
GPU Chip
GPU

Graphics Processor

GPU Name
GF117B
GPU Variant
N15V-GM-B-A2
Architecture
Fermi 2.0
Foundry
TSMC
Process Size
28 nm
Transistors
585 million
Density
5.0M / mm²
Die Size
116 mm²
Chip Package
BGA-908

Mobile Graphics

Release Date
Nov 27th, 2013
Generation
GeForce 800M
Predecessor
GeForce 700M
Successor
GeForce 900M
Production
End-of-life
Bus Interface
PCIe 2.0 x16

Clock Speeds

GPU Clock
625 MHz
775 MHz (+24%)
Shader Clock
1250 MHz
1550 MHz (+24%)
Memory Clock
900 MHz
1800 Mbps effective

Memory

Memory Size
1024 MB
2 GB
Memory Type
DDR3
Memory Bus
64 bit
Bandwidth
14.40 GB/s

Render Config

Shading Units
96
TMUs
16
ROPs
8
SM Count
2
L1 Cache
64 KB (per SM)
L2 Cache
128 KB

Theoretical Performance

Pixel Rate
2.500 GPixel/s
3.100 GPixel/s
Texture Rate
10.00 GTexel/s
12.40 GTexel/s
FP32 (float)
240.0 GFLOPS
297.6 GFLOPS
FP64 (double)
20.00 GFLOPS
24.80 GFLOPS (1:12)

Board Design

Slot Width
IGP
TDP
15 W
Outputs
Portable Device Dependent
Power Connectors
None

Graphics Features

DirectX
12 (11_0)
OpenGL
4.6
OpenCL
1.1
Vulkan
N/A
CUDA
2.1
Shader Model
5.1

GF117B GPU Notes

PureVideo HD: VP5
VDPAU: Feature Set D

Other retail boards based on this design (5)

Name GPU Clock Memory Clock Other Changes
Acer GeForce 820M
775 MHz 900 MHz
Acer GeForce 820M 2 GB
775 MHz 900 MHz 2 GB
ASUS GeForce 820M 2 GB
625 MHz 900 MHz 2 GB
Dell GeForce 820M 2 GB
625 MHz 900 MHz 2 GB
Lenovo GeForce 820M 2 GB
625 MHz 900 MHz 2 GB
Apr 23rd, 2024 10:02 EDT change timezone

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