Radeon HD 5770 and GeForce 840M - video card comparison
Passmark - benchmark score Radeon HD 5770 vs GeForce 840M
Radeon HD 5770
1756
GeForce 840M
1121
Radeon HD 5770
GeForce 840M
Architecture
Terascale 2 (2009−2015)
Maxwell (2014−2018)
GPU code name
Juniper
N15S-GT
Market segment
Desktop
Laptop
Release date
October 2009
March 2014
Bus support
-
PCI Express 2.0, PCI Express 3.0
Interface
PCIe 2.0 x16
PCIe 3.0 x8
Supplementary power connectors
1x 6-pin
-
Boost clock speed
-
1124 MHz
Core clock speed
850 MHz
1029 MHz
Floating-point performance
1,360.0 gflops
863.2 gflops
Manufacturing process technology
40 nm
28 nm
Number of transistors
1,040 million
-
Pipelines / CUDA cores
800
384
Power consumption (TDP)
108 Watt
33 Watt
Texture fill rate
34.00
17.98
Memory type
GDDR5
DDR3
Maximum RAM amount
1 GB
4 GB
Memory bus width
128 Bit
64 Bit
Memory clock speed
4800 MHz
2000 MHz
Memory bandwidth
76.8 GB/s
16.02 GB/s
Shared memory
-
-
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
No outputs
HDMI
+
-
DirectX
11.2 (11_0)
12 (11_0)
CUDA
-
+
OpenCL
1.2
1.2
OpenGL
4.4
4.5
Shader Model
5.0
5.1
Vulkan
N/A
1.1.126
GameWorks
-
+
GPU Boost
-
2.0
Optimus
-
+