Radeon HD 7950 and GeForce RTX 3080 Ti - video card comparison
Passmark - benchmark score Radeon HD 7950 vs GeForce RTX 3080 Ti
Radeon HD 7950
4907
GeForce RTX 3080 Ti
27992
Radeon HD 7950
GeForce RTX 3080 Ti
Architecture
GCN 1.0 (2012−2020)
Ampere (2020−2022)
GPU code name
Tahiti
Ampere GA102
Market segment
Desktop
Desktop
Release date
January 2012
September 2020
Bus support
PCIe 3.0 x16
-
Interface
PCIe 3.0 x16
PCIe 4.0 x16
Supplementary power connectors
2x 6-pin
1x 12-pin
Boost clock speed
1250 MHz
1667 MHz
Compute units
28
-
Core clock speed
-
1370 MHz
Floating-point performance
2,867 gflops
-
Manufacturing process technology
28 nm
8 nm
Number of transistors
4,313 million
28,300 million
Pipelines / CUDA cores
1792
10240
Power consumption (TDP)
200 Watt
350 Watt
Texture fill rate
89.60
532.8
Memory type
GDDR5
GDDR6X
Maximum RAM amount
3 GB
12 GB
Memory bus width
384 Bit
384 Bit
Memory clock speed
1250 MHz
19000 MHz
Memory bandwidth
240 GB/s
912.4 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 2x mini-DisplayPort
1x HDMI, 3x DisplayPort
Eyefinity
1
-
Number of Eyefinity displays
6
-
HDMI
+
+
DisplayPort support
-
-
DirectX
DirectX® 11
12 Ultimate (12_2)
CUDA
-
8.6
Mantle
-
-
OpenCL
1.2
3.0
OpenGL
4.6
4.6
Shader Model
5.1
6.6
Vulkan
-
1.2
AppAcceleration
+
-
CrossFire
1
-
Enduro
-
-
FreeSync
1
-
HD3D
-
-
PowerTune
+
-
TrueAudio
-
-
ZeroCore
+
-