Radeon HD 7970 GHz Edition and GeForce RTX 4090 - video card comparison
Radeon HD 7970 GHz Edition
GeForce RTX 4090
Architecture
GCN 1.0 (2012−2020)
Ada Lovelace
GPU code name
Tahiti
AD102-300-A1
Market segment
Desktop
Desktop
Release date
June 2012
September 2022
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 16-pin
Boost clock speed
1050 MHz
2520 MHz
Core clock speed
-
2235 MHz
Floating-point performance
4,301 gflops
-
Manufacturing process technology
28 nm
5 nm
Number of transistors
4,313 million
76,300 million
Pipelines / CUDA cores
2048
16384
Power consumption (TDP)
250 Watt
450 Watt
Texture fill rate
134.4
1,290
Memory type
GDDR5
GDDR6X
Maximum RAM amount
3 GB
24 GB
Memory bus width
384 Bit
384 Bit
Memory clock speed
1500 MHz
21000 MHz
Memory bandwidth
288 GB/s
1,008 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 2x mini-DisplayPort
1x HDMI 2.1, 3x DisplayPort 1.4a
Eyefinity
1
-
HDMI
+
+
DisplayPort support
-
-
DirectX
DirectX® 11
12 Ultimate (12_2)
CUDA
-
8.9
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
-
-