Radeon HD 7990 and GeForce RTX 4080 - video card comparison
Passmark - benchmark score Radeon HD 7990 vs GeForce RTX 4080
Radeon HD 7990
5732
GeForce RTX 4080
35648
Radeon HD 7990
GeForce RTX 4080
Architecture
GCN 1.0 (2012−2020)
Ada Lovelace
GPU code name
Malta
AD103-300-A1
Market segment
Desktop
Desktop
Release date
April 2013
September 2022
Interface
PCIe 3.0 x16
PCIe 4.0 x16
Supplementary power connectors
2x 8-pin
1x 16-pin
Boost clock speed
1000 MHz
2505 MHz
Core clock speed
950 MHz
2205 MHz
Floating-point performance
2x 4,096 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)
375 Watt
320 Watt
Texture fill rate
128.0
761.5
Memory type
GDDR5
GDDR6X
Maximum RAM amount
3 GB
16 GB
Memory bus width
384 Bit
256 Bit
Memory clock speed
6000 MHz
22400 MHz
Memory bandwidth
288.0 GB/s
716.8 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 4x mini-DisplayPort
1x HDMI 2.1, 3x DisplayPort 1.4a
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
6.6
Vulkan
1.2.131
1.3