NVIDIA GeForce RTX 4080 16 GB vs AMD Radeon Sky 900
GPU Specs Compare
Graphics Card
Release Date
Sep 2022
Mar 2013
Generation
GeForce 40
Radeon Sky
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
2205 MHz
825 MHz
Boost Clock
2505 MHz
950 MHz
Memory Clock
1400 MHz
1250 MHz
Memory
Memory Size
16GB
3GB
Memory Type
GDDR6X
GDDR5
Memory Bus
256bit
384bit
Bandwidth
716.8GB/s
240.0GB/s
Render Config
SM Count
76
-
Shading Units
9728
1792
TMUs
304
112
ROPs
112
32
Tensor Cores
304
-
RT Cores
76
-
L1 Cache
128 KB (per SM)
16 KB (per CU)
L2 Cache
64 MB
768 KB
Compute Units
-
28
Theoretical Performance
Pixel Rate
280.6 GPixel/s
30.40 GPixel/s
Texture Rate
761.5 GTexel/s
106.4 GTexel/s
FP16 (half)
48.74 TFLOPS
-
FP32 (float)
48.74 TFLOPS
3.405 TFLOPS
FP64 (double)
761.5 GFLOPS
851.2 GFLOPS
Graphics Processor
GPU Name
AD103
Tahiti
GPU Variant
AD103-300-A1
Orthrus
Architecture
Ada Lovelace
GCN 1.0
Foundry
TSMC
TSMC
Process Size
4 nm
28 nm
Transistors
45.9 billion
4.313 billion
Die Size
379 mm²
352 mm²
Board Design
TDP
320W
300W
Suggested PSU
700 W
700 W
Outputs
1x HDMI 2.13x DisplayPort 1.4a
1x DVI1x mini-DisplayPort 1.2
Power Connectors
1x 16-pin
2x 8-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
3.0
1.2
Vulkan
1.3
1.2
CUDA
8.9
-
Shader Model
6.6
5.1