
Radeon HD 8970 OEM and GeForce RTX 4090 Mobile - video card comparison
Radeon HD 8970 OEM
GeForce RTX 4090 Mobile
Architecture
GCN 1.0 (2012−2020)
Ada Lovelace
GPU code name
Tahiti
GN21-X11
Market segment
Desktop
Laptop
Release date
January 2013
January 2023
Interface
PCIe 3.0 x16
PCIe 4.0 x16
Supplementary power connectors
1x 6-pin + 1x 8-pin
-
Boost clock speed
-
2040 MHz
Core clock speed
925 MHz
-
Floating-point performance
3,789 gflops
-
Manufacturing process technology
28 nm
5 nm
Number of transistors
4,313 million
45,900 million
Pipelines / CUDA cores
2048
9728
Power consumption (TDP)
250 Watt
150 Watt (80 - 150 Watt TGP)
Texture fill rate
118.4
515.3
Memory type
GDDR5
GDDR6
Maximum RAM amount
3 GB
16 GB
Memory bus width
384 Bit
256 Bit
Memory clock speed
5500 MHz
20000 MHz
Memory bandwidth
264.0 GB/s
576.0 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 2x mini-DisplayPort
Portable Device Dependent
HDMI
+
-
DirectX
12 (11_1)
12 Ultimate (12_2)
CUDA
-
8.9
OpenCL
1.2
3.0
OpenGL
4.6
4.6
Shader Model
5.1
6.7
Vulkan
1.2.131
1.3