AMD Radeon Sky 900 vs AMD Radeon PRO W7900D
GPU Specs Compare
Graphics Card
Release Date
Mar 2013
Nov 2025
Generation
Radeon Sky
Radeon Pro Navi
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
825 MHz
1327 MHz
Boost Clock
950 MHz
2156 MHz
Memory Clock
1250 MHz
2250 MHz
Memory
Memory Size
3GB
48GB
Memory Type
GDDR5
GDDR6
Memory Bus
384bit
384bit
Bandwidth
240.0GB/s
864.0GB/s
Render Config
Compute Units
28
96
Shading Units
1792
6144
TMUs
112
384
ROPs
32
192
L1 Cache
16 KB (per CU)
256 KB per Array
L2 Cache
768 KB
6 MB
RT Cores
-
96
L3 Cache
-
96 MB
Theoretical Performance
Pixel Rate
30.40 GPixel/s
414.0 GPixel/s
Texture Rate
106.4 GTexel/s
827.9 GTexel/s
FP32 (float)
3.405 TFLOPS
52.99 TFLOPS
FP64 (double)
851.2 GFLOPS
1.656 TFLOPS
FP16 (half)
-
106.0 TFLOPS
Graphics Processor
GPU Name
Tahiti
Navi 31
GPU Variant
Orthrus
Navi 31
Architecture
GCN 1.0
RDNA 3.0
Foundry
TSMC
TSMC
Process Size
28 nm
5 nm
Transistors
4.313 billion
57.7 billion
Die Size
352 mm²
529 mm²
Board Design
TDP
300W
295W
Suggested PSU
700 W
600 W
Outputs
1x DVI1x mini-DisplayPort 1.2
3x DisplayPort 2.11x mini-DisplayPort 2.1
Power Connectors
2x 8-pin
2x 8-pin
Graphics Features
DirectX
12 (11_1)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
1.2
2.2
Vulkan
1.2
1.4
Shader Model
5.1
6.9