Radeon HD 7970 GHz Edition and Radeon RX 6700 XT - video card comparison
Radeon HD 7970 GHz Edition
Radeon RX 6700 XT
Architecture
GCN 1.0 (2012−2020)
Navi / RDNA2 (2020−2022)
GPU code name
Tahiti
Navi 22
Market segment
Desktop
Desktop
Release date
June 2012
March 2021
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 6-pin + 1x 8-pin
Boost clock speed
1050 MHz
2581 MHz
Core clock speed
-
2321 MHz
Floating-point performance
4,301 gflops
-
Manufacturing process technology
28 nm
7 nm
Number of transistors
4,313 million
17,200 million
Pipelines / CUDA cores
2048
2560
Power consumption (TDP)
250 Watt
230 Watt
Texture fill rate
134.4
413.0
Memory type
GDDR5
GDDR6
Maximum RAM amount
3 GB
12 GB
Memory bus width
384 Bit
192 Bit
Memory clock speed
1500 MHz
16000 MHz
Memory bandwidth
288 GB/s
384.0 GB/s
Display Connectors
1x DVI, 1x HDMI, 2x mini-DisplayPort
1x HDMI, 3x DisplayPort
Eyefinity
1
-
HDMI
+
+
DisplayPort support
-
-
DirectX
DirectX® 11
12 Ultimate (12_2)
Mantle
-
-
OpenCL
1.2
2.1
OpenGL
4.6
4.6
Shader Model
5.1
6.5
Vulkan
-
1.2
AppAcceleration
-
-
CrossFire
1
-
Enduro
-
-
FreeSync
1
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-