Radeon HD 7970 and GeForce RTX 3070 - video card comparison
Passmark - benchmark score Radeon HD 7970 vs GeForce RTX 3070
Radeon HD 7970
5405
GeForce RTX 3070
23060
Radeon HD 7970
GeForce RTX 3070
Architecture
GCN (2011−2017)
Ampere (2020−2022)
GPU code name
Tahiti XT
Ampere GA104
Market segment
Desktop
Desktop
Release date
December 2011
September 2020
Bus support
PCIe 2.1 x16
-
Interface
PCIe 3.0 x16
PCIe 4.0 x16
Supplementary power connectors
1x 6-pin + 1x 8-pin
1x 12-pin
Boost clock speed
925 MHz
1725 MHz
Core clock speed
-
1500 MHz
Floating-point performance
3,789 gflops
-
Manufacturing process technology
28 nm
8 nm
Number of transistors
4,313 million
17,400 million
Pipelines / CUDA cores
2048
5888
Power consumption (TDP)
300 Watt
220 Watt
Texture fill rate
118.4
317.4
Memory type
GDDR5
GDDR6
Maximum RAM amount
6 GB
8 GB
Memory bus width
384 Bit
256 Bit
Memory clock speed
1375 MHz
14000 MHz
Memory bandwidth
264 GB/s
448.0 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 2x mini-DisplayPort
1x HDMI, 3x DisplayPort
Eyefinity
+
-
HDMI
+
+
DisplayPort support
-
-
DirectX
DirectX® 11
12 Ultimate (12_2)
CUDA
-
8.5
Mantle
-
-
OpenCL
1.2
2.0
OpenGL
4.6
4.6
Shader Model
5.1
6.5
Vulkan
-
1.2
AppAcceleration
-
-
CrossFire
1
-
Enduro
-
-
FreeSync
1
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-