GeForce 845M vs GeForce GTX 850M GDDR5

GeForce 845M
GeForce GTX 850M GDDR5
384 Shaders
2GB GDDR5
1150MHz
640 Shaders
2GB GDDR5
876MHz
FP32
0.88 TFLOPS
FP32
1.12 TFLOPS
-
-
-
-
Form Factor
Soldered
-
Form Factor
Soldered
-
TDP
33W
TDP
40W
-
-
-
-
-
-
-
-
-
-
GB5 OpenCL - N/A
0%
GB5 OpenCL - N/A
0%
GB5 CUDA - N/A
0%
GB5 CUDA - N/A
0%
GB5 Metal - N/A
0%
GB5 Metal - N/A
0%
GB5 Vulkan - N/A
0%
GB5 Vulkan - N/A
0%
OCT 2020.1 - N/A
0%
OCT 2020.1 - N/A
0%
OCT Metal - N/A
0%
OCT Metal - N/A
0%
Manufacturer
NVIDIA
Manufacturer
NVIDIA
Chip Designer
NVIDIA
Chip Designer
NVIDIA
Architecture
Maxwell
Architecture
Maxwell
Family
GeForce 800
Family
GeForce 800
Codename
NV118
GM108
-
-
Codename
NV117
GM107
-
-
Market Segment
Laptop
Market Segment
Laptop
Release Date
2/7/2015
Release Date
3/12/2014
Foundry
TSMC
-
Foundry
TSMC
-
Fabrication Node
28nm
-
Fabrication Node
28nm
-
Die Size
89 mm²
-
Die Size
148 mm²
-
Transistor Count
1.1 Billion
-
Transistor Count
1.9 Billion
-
Transistor Density
12.61M/mm²
-
Transistor Density
12.64M/mm²
-
Form
Soldered
Form
Soldered
Shading Units
384 Shaders
-
Shading Units
640 Shaders
-
Texture Mapping Units
32 TMUs
Texture Mapping Units
40 TMUs
Render Output Units
16 ROPs
Render Output Units
16 ROPs
-
-
-
-
-
-
-
-
Streaming Multiprocessors
3 SMs
Streaming Multiprocessors
5 SMs
-
-
-
-
-
-
-
-
-
-
-
-
-
-
1071MHz Base
1150MHz
-
-
-
876MHz
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
FP32
0.88 TFLOPS
FP32
1.12 TFLOPS
-
-
-
-
FP64
0.03 TFLOPS
-
FP64
0.04 TFLOPS
-
-
-
-
-
-
-
-
-
-
-
Pixel Fillrate
18.4 GPixel/s
Pixel Fillrate
14.016 GPixel/s
-
-
-
-
Texture Fillrate
36.8 GTexel/s
Texture Fillrate
35.04 GTexel/s
-
-
-
-
L1
-
64KB/SM
-
-
L1
-
64KB/SM
-
-
L2
1MB Shared
L2
2MB Shared
-
-
-
-
-
-
2GB
GDDR5
-
2GB
GDDR5
-
Bus Width
64Bit
Bus Width
128Bit
Clock
1250MHz
Transfer Rate
5GT/s
Bandwidth
40GB/s
Clock
1250MHz
Transfer Rate
5GT/s
Bandwidth
80GB/s
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
TDP
33W
TDP
40W
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
No Ports
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
No Ports
Max Resolution
4096x2304
Max Resolution
4096x2304
Max Resolution Refresh Rate
30Hz
Max Resolution Refresh Rate
30Hz
Variable Refresh Rate
G-Sync
FreeSync
-
Variable Refresh Rate
G-Sync
FreeSync
-
Display Stream Compression (DSC)
Not Supported
Display Stream Compression (DSC)
Not Supported
Multi Monitor Support
2
Multi Monitor Support
2
-
-
-
-
No Encoders
-
Model
NVENC 2
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Codec
-
-
-
-
-
-
-
-
AVC (H.264)
-
-
-
-
-
No Decoders
Model
NVDEC 1
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Codec
MPEG-1
MPEG-2
MPEG-4
-
VC-1
-
-
-
AVC (H.264)
-
-
-
-
-
Direct X
12
Direct 3D
11_0
Direct X
12
Direct 3D
11_0
OpenGL
4.6
OpenCL
3.0
Vulkan
1.3
OpenGL
4.6
OpenCL
3.0
Vulkan
1.3
Shader Model
6.7
CUDA
5.0
-
-
PureVideo HD
VP6
VDPAU
Feature Set E
Shader Model
6.7
CUDA
5.0
-
-
PureVideo HD
VP6
VDPAU
Feature Set E
Not a Card
-
-
-
Not a Card
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
PCIe Version
3.0
PCIe Lanes
16
-
-
PCIe Version
3.0
PCIe Lanes
16
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Change Results