AMD Radeon HD 8670M vs NVIDIA GeForce 840M
AMD Radeon HD 8670M
NVIDIA GeForce 840M
|
384 Shaders
1GB DDR3
825MHz
|
384 Shaders
2GB DDR3
1029MHz
|
|
Peak AI Performance
630 GFLOPS
FP32
|
Peak AI Performance
3.16 TOPS
INT8
|
|
FP32
630 GFLOPS
|
FP32
790 GFLOPS
|
|
Form Factor
Soldered
|
Form Factor
Soldered
|
|
TDP
25W
|
TDP
30W
|
Peak AI Performance
|
|
Radeon HD 8670M - 630 GFLOPS FP32
x1
GeForce 840M - 3.16 TOPS INT8
x5.02
FP32
|
|
Radeon HD 8670M - 630 GFLOPS FP32
x1
GeForce 840M - 790 GFLOPS FP32
x1.25
|
|
Radeon HD 8670M - 14.4GB/s
x1
GeForce 840M - 16GB/s
x1.11
|
|
Radeon HD 8670M - 25W
x1
GeForce 840M - 30W
x1.2
|
|
Radeon HD 8670M - GB6 OpenCL 5,525
x1
GeForce 840M - GB6 OpenCL 6,135
x1.11
|
0%
|
0%
|
|
GB6 Vulkan N/A
0%
|
|
0%
|
0%
|
|
0%
|
0%
|
|
0%
|
0%
|
|
0%
|
0%
|
|
0%
|
0%
|
|
0%
|
0%
|
|
Manufacturer
AMD
|
Manufacturer
NVIDIA
|
|
Chip Designer
AMD
|
Chip Designer
NVIDIA
|
|
Architecture
GCN 1
|
Architecture
Maxwell
|
|
Family
Radeon HD 8000
|
Family
GeForce 800
|
|
Codename
Oland
-
Variant
Mars XT
|
Codename
NV118
GM108
-
-
|
|
Market Segment
Laptop
|
Market Segment
Laptop
|
|
Release Date
1/8/2013
|
Release Date
3/12/2014
|
|
Foundry
TSMC
|
Foundry
TSMC
|
|
Fabrication Node
28nm
|
Fabrication Node
28nm
|
|
Die Size
90 mm²
|
Die Size
89 mm²
|
|
Transistor Count
1 Billion
|
Transistor Count
1.1 Billion
|
|
Transistor Density
11.56M/mm²
|
Transistor Density
12.61M/mm²
|
|
Form
Soldered
|
Form
Soldered
|
|
Shading Units
384 Shaders
|
Shading Units
384 Shaders
|
|
Texture Mapping Units
24 TMUs
|
Texture Mapping Units
24 TMUs
|
|
Render Output Units
8 ROPs
|
Render Output Units
8 ROPs
|
|
-
-
|
Streaming Multiprocessors
3 SMs
|
|
Compute Units
6 CUs
|
-
-
|
|
775MHz Base
825MHz
|
-
1029MHz
|
|
Peak AI Performance
630 GFLOPS
FP32
|
Peak AI Performance
3.16 TOPS
INT8
|
|
FP32
630 GFLOPS
|
FP32
790 GFLOPS
|
|
FP64
40 GFLOPS
|
FP64
30 GFLOPS
|
|
-
-
|
INT8
3.16 TOPS
|
|
-
-
|
INT32
0.79 TOPS
|
|
Pixel Fillrate
6.6 GPixel/s
|
Pixel Fillrate
8.232 GPixel/s
|
|
Texture Fillrate
19.8 GTexel/s
|
Texture Fillrate
24.696 GTexel/s
|
|
L1
-
16KB/CU
|
L1
64KB/SM
-
|
|
L2
256KB Shared
|
L2
1MB Shared
|
|
1GB
DDR3
|
2GB
DDR3
|
|
Bus Width
64Bit
|
Bus Width
64Bit
|
|
Clock
900MHz
Transfer Rate
1.8GT/s
Bandwidth
14.4GB/s
|
Clock
1000MHz
Transfer Rate
2GT/s
Bandwidth
16GB/s
|
|
TDP
25W
|
TDP
30W
|
|
Max Resolution
4096x2160
|
Max Resolution
4096x2304
|
|
Max Resolution Refresh Rate
60Hz
|
Max Resolution Refresh Rate
30Hz
|
|
Variable Refresh Rate
-
-
|
Variable Refresh Rate
G-Sync
FreeSync
|
|
Display Stream Compression (DSC)
Not Supported
|
Display Stream Compression (DSC)
Not Supported
|
|
Multi Monitor Support
3
|
Multi Monitor Support
2
|
|
Model
VCE 1.0
|
No Encoders
-
|
|
Codec
AVC (H.264)
|
-
-
|
|
Model
UVD 4.0
|
No Decoders
|
|
Codec
MPEG-1
MPEG-2
MPEG-4
VC-1
AVC (H.264)
|
-
-
-
-
-
|
|
Direct X
12
Direct 3D
11_1
|
Direct X
12
Direct 3D
11_0
|
|
OpenGL
4.6
OpenCL
2.1
Vulkan
1.2
|
OpenGL
4.6
OpenCL
3.0
Vulkan
1.3
|
|
Shader Model
6.5
-
-
GFX
6
-
-
-
-
|
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
8
|
PCIe Version
3.0
PCIe Lanes
16
|
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