Radeon HD 4870 X2 and Radeon 780M - video card comparison
Passmark - benchmark score Radeon HD 4870 X2 vs Radeon 780M
Radeon HD 4870 X2
1348
Radeon 780M
7300
Radeon HD 4870 X2
Radeon 780M
Architecture
TeraScale (2005−2013)
RDNA 3
GPU code name
R700
Phoenix
Market segment
Desktop
Laptop
Release date
August 2008
January 2023
Interface
PCIe 2.0 x16
PCIe 4.0 x8
Supplementary power connectors
1x 6-pin + 1x 8-pin
None
Boost clock speed
-
3000 MHz
Core clock speed
700 MHz
1500 MHz
Floating-point performance
2x 1,120.0 gflops
-
Manufacturing process technology
55 nm
4 nm
Number of transistors
956 million
25,390 million
Pipelines / CUDA cores
800
768
Power consumption (TDP)
286 Watt
54 Watt (35 - 54 Watt TGP)
Texture fill rate
28.00
139.2
Memory type
GDDR5
System Shared
Maximum RAM amount
1 GB
System Shared
Memory bus width
256 Bit
System Shared
Memory clock speed
3600 MHz
System Shared
Memory bandwidth
115.2 GB/s
-
Shared memory
-
+
Display Connectors
2x DVI, 1x S-Video
Portable Device Dependent
DirectX
10.1 (10_1)
12 Ultimate (12_2)
OpenCL
1.1
2.1
OpenGL
3.3
4.6
Shader Model
4.1
6.7
Vulkan
N/A
1.3