GeForce GTX 770M and Radeon RX 640 - video card comparison
Passmark - benchmark score GeForce GTX 770M vs Radeon RX 640
GeForce GTX 770M
2886
Radeon RX 640
2020
GeForce GTX 770M
Radeon RX 640
Architecture
Kepler (2012−2018)
Polaris (2016−2019)
GPU code name
N14E-GS
Polaris 12
Market segment
Laptop
Laptop
Release date
May 2013
August 2019
Bus support
PCI Express 3.0, PCI Express 2.0
-
Interface
MXM-B (3.0)
PCIe 3.0 x8
Supplementary power connectors
None
None
SLI options
+
-
Boost clock speed
797 MHz
1218 MHz
Core clock speed
811 MHz
1218 MHz
CUDA cores
960
-
Floating-point performance
1,530 gflops
-
Manufacturing process technology
28 nm
14 nm
Number of transistors
2,540 million
2,200 million
Pipelines / CUDA cores
960
640
Power consumption (TDP)
75 Watt
50 Watt
Texture fill rate
63.76
38.98
Memory type
GDDR5
GDDR5
Maximum RAM amount
3 GB
4 GB
Memory bus width
192 Bit
64 Bit
Memory clock speed
2000 MHz
6000 MHz
Memory bandwidth
96.0 GB/s
112.0 GB/s
Shared memory
-
-
Standard memory configuration
GDDR5
-
Display Connectors
No outputs
1x DVI, 1x HDMI, 1x DisplayPort
eDP 1.2 signal support
Up to 3840x2160
-
LVDS signal support
Up to 1920x1200
-
VGA аnalog display support
Up to 2048x1536
-
DisplayPort Multimode (DP++) support
Up to 3840x2160
-
HDCP content protection
+
-
HDMI
+
+
7.1 channel HD audio on HDMI
+
-
DirectX
12 API
12 (12_0)
CUDA
+
-
OpenCL
1.1
2.0
OpenGL
4.5
4.6
Shader Model
5.1
6.4
Vulkan
1.1.126
1.2.131
3D Vision / 3DTV Play
+
-
Blu-Ray 3D Support
+
-
FreeSync
-
+
H.264, VC1, MPEG2 1080p video decoder
+
-
Optimus
+
-
TrueHD and DTS-HD audio bitstreaming
+
-