Radeon HD 7950 and GeForce RTX 4070 Mobile - video card comparison
Radeon HD 7950
GeForce RTX 4070 Mobile
Architecture
GCN 1.0 (2012−2020)
Ada Lovelace
GPU code name
Tahiti
GN21-X6
Market segment
Desktop
Laptop
Release date
January 2012
January 2023
Bus support
PCIe 3.0 x16
-
Interface
PCIe 3.0 x16
PCIe 4.0 x16
Supplementary power connectors
2x 6-pin
-
Boost clock speed
1250 MHz
2175 MHz
Compute units
28
-
Core clock speed
-
1605 MHz
Floating-point performance
2,867 gflops
-
Manufacturing process technology
28 nm
5 nm
Number of transistors
4,313 million
-
Pipelines / CUDA cores
1792
4608
Power consumption (TDP)
200 Watt
115 Watt (35 - 115 Watt TGP)
Texture fill rate
89.60
244.1
Memory type
GDDR5
GDDR6
Maximum RAM amount
3 GB
8 GB
Memory bus width
384 Bit
128 Bit
Memory clock speed
1250 MHz
16000 MHz
Memory bandwidth
240 GB/s
256.0 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 2x mini-DisplayPort
Portable Device Dependent
Eyefinity
1
-
Number of Eyefinity displays
6
-
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
+
-