Radeon HD 7950 Mac Edition and Radeon RX 7900 XTX - video card comparison
Radeon HD 7950 Mac Edition
Radeon RX 7900 XTX
Architecture
GCN 1.0 (2012−2020)
RDNA 3
GPU code name
Tahiti
Navi 31 XTX
Market segment
Desktop
Desktop
Release date
March 2013
November 2022
Interface
PCIe 3.0 x16
PCIe 4.0 x16
Supplementary power connectors
2x 6-pin
2x 8-pin
Boost clock speed
-
2270 MHz
Core clock speed
800 MHz
-
Floating-point performance
2,867 gflops
-
Manufacturing process technology
28 nm
5 nm
Number of transistors
4,313 million
57,700 million
Pipelines / CUDA cores
1792
6144
Power consumption (TDP)
200 Watt
355 Watt
Texture fill rate
89.60
959.6
Memory type
GDDR5
GDDR6
Maximum RAM amount
3 GB
24 GB
Memory bus width
384 Bit
384 Bit
Memory clock speed
5000 MHz
20000 MHz
Memory bandwidth
240.0 GB/s
960.0 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 2x mini-DisplayPort
1x HDMI 2.1a, 2x DisplayPort 2.1, 1x USB Type-C
HDMI
+
+
DirectX
12 (11_1)
12 Ultimate (12_2)
OpenCL
1.2
2.1
OpenGL
4.6
4.6
Shader Model
5.1
6.7
Vulkan
1.2.131
1.3