NVIDIA GeForce 840M vs AMD Radeon HD 8770M

NVIDIA GeForce 840M
AMD Radeon HD 8770M
384 Shaders
2GB DDR3
1029MHz
384 Shaders
2GB GDDR5
825MHz
Peak AI Performance
3.16 TOPS
INT8
Peak AI Performance
630 GFLOPS
FP32
FP32
790 GFLOPS
FP32
630 GFLOPS
Form Factor
Soldered
Form Factor
Soldered
TDP
30W
TDP
25W

Peak AI Performance

  • 5.02x faster vs Radeon HD 8770M
  • 80% slower vs GeForce 840M
GeForce 840M - 3.16 TOPS INT8
x5.02
Radeon HD 8770M - 630 GFLOPS FP32
x1

FP32

  • 25% faster vs Radeon HD 8770M
  • 20% slower vs GeForce 840M
GeForce 840M - 790 GFLOPS FP32
x1.25
Radeon HD 8770M - 630 GFLOPS FP32
x1
  • 78% slower vs Radeon HD 8770M
  • 4.5x faster vs GeForce 840M
GeForce 840M - 16GB/s
x1
Radeon HD 8770M - 72GB/s
x4.5
  • 20% higher vs Radeon HD 8770M
  • 17% lower vs GeForce 840M
GeForce 840M - 30W
x1.2
Radeon HD 8770M - 25W
x1
GB6 OpenCL N/A
0%
GB6 Vulkan N/A
0%
Manufacturer
NVIDIA
Manufacturer
AMD
Chip Designer
NVIDIA
Chip Designer
AMD
Architecture
Maxwell
Architecture
GCN 1
Family
GeForce 800
Family
Radeon HD 8000
Codename
NV118
GM108
-
-
Codename
Oland
-
Variant
Mars XT
Market Segment
Laptop
Market Segment
Laptop
Release Date
3/12/2014
Release Date
1/8/2013
Foundry
TSMC
Foundry
TSMC
Fabrication Node
28nm
Fabrication Node
28nm
Die Size
89 mm²
Die Size
90 mm²
Transistor Count
1.1 Billion
Transistor Count
1 Billion
Transistor Density
12.61M/mm²
Transistor Density
11.56M/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
-
1029MHz
775MHz Base
825MHz
Peak AI Performance
3.16 TOPS
INT8
Peak AI Performance
630 GFLOPS
FP32
FP32
790 GFLOPS
FP32
630 GFLOPS
FP64
30 GFLOPS
FP64
40 GFLOPS
INT8
3.16 TOPS
-
-
INT32
0.79 TOPS
-
-
Pixel Fillrate
8.232 GPixel/s
Pixel Fillrate
6.6 GPixel/s
Texture Fillrate
24.696 GTexel/s
Texture Fillrate
19.8 GTexel/s
L1
64KB/SM
-
L1
-
16KB/CU
L2
1MB Shared
L2
256KB Shared
2GB
DDR3
2GB
GDDR5
Bus Width
64Bit
Bus Width
128Bit
Clock
1000MHz
Transfer Rate
2GT/s
Bandwidth
16GB/s
Clock
1125MHz
Transfer Rate
4.5GT/s
Bandwidth
72GB/s
TDP
30W
TDP
25W
Max Resolution
4096x2304
Max Resolution
4096x2160
Max Resolution Refresh Rate
30Hz
Max Resolution Refresh Rate
60Hz
Variable Refresh Rate
G-Sync
FreeSync
Variable Refresh Rate
-
-
Display Stream Compression (DSC)
Not Supported
Display Stream Compression (DSC)
Not Supported
Multi Monitor Support
2
Multi Monitor Support
3
No Encoders
-
Model
VCE 1.0
-
-
Codec
AVC (H.264)
No Decoders
Model
UVD 4.0
-
-
-
-
-
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_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
-
-
PureVideo HD
VP6
VDPAU
Feature Set E
Shader Model
6.5
-
-
GFX
6
-
-
-
-
Not a Card
Not a Card
PCIe Version
3.0
PCIe Lanes
16
PCIe Version
3.0
PCIe Lanes
8
Change Comparison