
Radeon HD 7950 and GeForce RTX 3080 12 GB - video card comparison
Passmark - benchmark score Radeon HD 7950 vs GeForce RTX 3080 12 GB
Radeon HD 7950
4907
GeForce RTX 3080 12 GB
27475
Radeon HD 7950
GeForce RTX 3080 12 GB
Architecture
GCN 1.0 (2012−2020)
Ampere (2020−2022)
GPU code name
Tahiti
Ampere GA102
Market segment
Desktop
Desktop
Release date
January 2012
January 2022
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
1260 MHz
Compute units
28
-
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
8960
Power consumption (TDP)
200 Watt
350 Watt
Texture fill rate
89.60
478.8
Memory type
GDDR5
GDDR6X
Maximum RAM amount
3 GB
12 GB
Memory bus width
384 Bit
384 Bit
Memory clock speed
1250 MHz
1710 MHz
Memory bandwidth
240 GB/s
912.4 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 2x mini-DisplayPort
1x HDMI 2.1, 3x DisplayPort 1.4a
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
-
1.3
AppAcceleration
+
-
CrossFire
1
-
Enduro
-
-
FreeSync
1
-
HD3D
-
-
PowerTune
+
-
TrueAudio
-
-
ZeroCore
+
-