GeForce 8800 GTS 640 and Radeon 780M - video card comparison
GeForce 8800 GTS 640
Radeon 780M
Architecture
Tesla (2006−2010)
RDNA 3
GPU code name
G80
Phoenix
Market segment
Desktop
Laptop
Release date
November 2006
January 2023
Interface
PCIe 1.0 x16
PCIe 4.0 x8
Supplementary power connectors
1x 6-pin
None
Boost clock speed
-
3000 MHz
Core clock speed
513 MHz
1500 MHz
Floating-point performance
228.1 gflops
-
Manufacturing process technology
90 nm
4 nm
Number of transistors
681 million
25,390 million
Pipelines / CUDA cores
96
768
Power consumption (TDP)
143 Watt
54 Watt (35 - 54 Watt TGP)
Texture fill rate
24.62
139.2
Memory type
GDDR3
System Shared
Maximum RAM amount
640 MB
System Shared
Memory bus width
320 Bit
System Shared
Memory clock speed
1584 MHz
System Shared
Memory bandwidth
63.36 GB/s
-
Shared memory
-
+
Display Connectors
2x DVI, 1x S-Video
Portable Device Dependent
DirectX
11.1 (10_0)
12 Ultimate (12_2)
CUDA
+
-
OpenCL
1.1
2.1
OpenGL
3.3
4.6
Shader Model
4.0
6.7
Vulkan
N/A
1.3