GeForce RTX 3080 and Radeon HD 7970 GHz Edition - video card comparison
GeForce RTX 3080
Radeon HD 7970 GHz Edition
Architecture
Ampere (2020−2022)
GCN 1.0 (2012−2020)
GPU code name
Ampere GA102
Tahiti
Market segment
Desktop
Desktop
Release date
September 2020
June 2012
Bus support
-
PCIe 2.1 x16
Interface
PCIe 4.0 x16
PCIe 3.0 x16
Supplementary power connectors
1x 12-pin
1x 6-pin + 1x 8-pin
Boost clock speed
1710 MHz
1050 MHz
Core clock speed
1450 MHz
-
Floating-point performance
-
4,301 gflops
Manufacturing process technology
8 nm
28 nm
Number of transistors
28,300 million
4,313 million
Pipelines / CUDA cores
8704
2048
Power consumption (TDP)
320 Watt
250 Watt
Texture fill rate
465.1
134.4
Memory type
GDDR6X
GDDR5
Maximum RAM amount
10 GB
3 GB
Memory bus width
320 Bit
384 Bit
Memory clock speed
19000 MHz
1500 MHz
Memory bandwidth
760.3 GB/s
288 GB/s
Shared memory
-
-
Display Connectors
1x HDMI, 3x DisplayPort
1x DVI, 1x HDMI, 2x mini-DisplayPort
Eyefinity
-
1
HDMI
+
+
DisplayPort support
-
-
DirectX
12 Ultimate (12_2)
DirectX® 11
CUDA
8.5
-
Mantle
-
-
OpenCL
2.0
1.2
OpenGL
4.6
4.6
Shader Model
6.5
5.1
Vulkan
1.2
-
AppAcceleration
-
-
CrossFire
-
1
Enduro
-
-
FreeSync
-
1
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-