
Radeon HD 7750 and GeForce RTX 4080 Mobile - video card comparison
Radeon HD 7750
GeForce RTX 4080 Mobile
Architecture
GCN 1.0 (2012−2020)
Ada Lovelace
GPU code name
Cape Verde
GN21-X9
Market segment
Desktop
Laptop
Release date
February 2012
January 2023
Bus support
PCIe 2.1 x16
-
Interface
PCIe 3.0 x16
PCIe 4.0 x16
Supplementary power connectors
None
-
Boost clock speed
800 MHz
2280 MHz
Core clock speed
-
1860 MHz
Floating-point performance
819.2 gflops
-
Manufacturing process technology
28 nm
5 nm
Number of transistors
1,500 million
35,800 million
Pipelines / CUDA cores
512
7424
Power consumption (TDP)
75 Watt
150 Watt (60 - 150 Watt TGP)
Texture fill rate
25.60
386.3
Memory type
GDDR5
GDDR6X
Maximum RAM amount
1 GB
12 GB
Memory bus width
128 Bit
192 Bit
Memory clock speed
1125 MHz
20000 MHz
Memory bandwidth
72 GB/s
432.0 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
Portable Device Dependent
Eyefinity
1
-
HDMI
+
-
DisplayPort support
+
-
DirectX
DirectX® 11
12 Ultimate (12_2)
CUDA
-
8.9
Mantle
-
-
OpenCL
1.2
3.0
OpenGL
4.6
4.6
Shader Model
5.1
6.7
Vulkan
-
1.3
AppAcceleration
-
-
CrossFire
1
-
Enduro
-
-
FreeSync
1
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-