
Radeon HD 3870 Mac Edition and GeForce RTX 4070 AD103 - video card comparison
Radeon HD 3870 Mac Edition
GeForce RTX 4070 AD103
Architecture
TeraScale (2005−2013)
Ada Lovelace
GPU code name
RV670
AD103
Market segment
Desktop
Desktop
Release date
June 2008
March 2024 (recently)
Interface
PCIe 2.0 x16
PCIe 4.0 x16
Supplementary power connectors
1x 6-pin
1x 16-pin
Boost clock speed
-
2475 MHz
Core clock speed
777 MHz
-
Floating-point performance
497.3 gflops
-
Manufacturing process technology
55 nm
5 nm
Number of transistors
666 million
45,900 million
Pipelines / CUDA cores
320
5888
Power consumption (TDP)
106 Watt
200 Watt
Texture fill rate
12.43
455.4
Memory type
GDDR4
GDDR6X
Maximum RAM amount
512 MB
12 GB
Memory bus width
256 Bit
192 Bit
Memory clock speed
2252 MHz
21 GB/s
Memory bandwidth
72.06 GB/s
504.2 GB/s
Display Connectors
2x DVI, 1x S-Video
1x HDMI 2.1, 3x DisplayPort 1.4a
HDMI
-
+
DirectX
10.1 (10_1)
12 Ultimate (12_2)
CUDA
-
8.9
OpenCL
N/A
3.0
OpenGL
3.3
4.6
Shader Model
4.1
6.7
Vulkan
N/A
1.3