GeForce 840M vs Radeon R7 M270

GeForce 840M
Radeon R7 M270
384 Shaders
2GB DDR3
1029MHz
384 Shaders
2GB DDR3
775MHz
FP32
0.79 TFLOPS
FP32
0.6 TFLOPS
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Form Factor
Soldered
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Form Factor
Soldered
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TDP
30W
TDP
25W
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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
AMD
Chip Designer
NVIDIA
Chip Designer
AMD
Architecture
Maxwell
Architecture
GCN 1
Family
GeForce 800
Family
Radeon R 200
Codename
NV118
GM108
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Codename
Oland
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Variant
Opal XT
Market Segment
Laptop
Market Segment
Laptop
Release Date
3/12/2014
Release Date
1/9/2014
Foundry
TSMC
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Foundry
TSMC
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Fabrication Node
28nm
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Fabrication Node
28nm
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Die Size
89 mm²
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Die Size
90 mm²
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Transistor Count
1.1 Billion
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Transistor Count
1 Billion
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Transistor Density
12.61M/mm²
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Transistor Density
11.56M/mm²
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Form
Soldered
Form
Soldered
Shading Units
384 Shaders
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Shading Units
384 Shaders
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Texture Mapping Units
24 TMUs
Texture Mapping Units
24 TMUs
Render Output Units
8 ROPs
Render Output Units
8 ROPs
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Streaming Multiprocessors
3 SMs
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Compute Units
6 CUs
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1029MHz
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725MHz Base
775MHz
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FP32
0.79 TFLOPS
FP32
0.6 TFLOPS
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FP64
0.03 TFLOPS
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FP64
0.04 TFLOPS
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Pixel Fillrate
8.232 GPixel/s
Pixel Fillrate
6.2 GPixel/s
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Texture Fillrate
24.696 GTexel/s
Texture Fillrate
18.6 GTexel/s
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L1
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64KB/SM
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L1
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16KB/CU
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L2
1MB Shared
L2
256KB Shared
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2GB
DDR3
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2GB
DDR3
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Bus Width
64Bit
Bus Width
128Bit
Clock
1000MHz
Transfer Rate
2GT/s
Bandwidth
16GB/s
Clock
1125MHz
Transfer Rate
2.3GT/s
Bandwidth
36GB/s
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TDP
30W
TDP
25W
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No Ports
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No Ports
Max Resolution
4096x2304
Max Resolution
4096x2160
Max Resolution Refresh Rate
30Hz
Max Resolution Refresh Rate
60Hz
Variable Refresh Rate
G-Sync
FreeSync
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Variable Refresh Rate
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Display Stream Compression (DSC)
Not Supported
Display Stream Compression (DSC)
Not Supported
Multi Monitor Support
2
Multi Monitor Support
3
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No Encoders
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Model
VCE 1.0
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Codec
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AVC (H.264)
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No Decoders
Model
UVD 4.0
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Codec
MPEG-1
MPEG-2
MPEG-4
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VC-1
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AVC (H.264)
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Direct X
12
Direct 3D
11_0
Direct X
12
Direct 3D
11_1
OpenGL
4.6
OpenCL
3.0
Vulkan
1.3
OpenGL
4.6
OpenCL
2.1
Vulkan
1.2
Shader Model
6.7
CUDA
5.0
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PureVideo HD
VP6
VDPAU
Feature Set E
Shader Model
6.5
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GFX
6
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Not a Card
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Not a Card
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PCIe Version
3.0
PCIe Lanes
16
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PCIe Version
3.0
PCIe Lanes
16
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Change Results