NVIDIA GeForce RTX 3080 Ti 20 GB vs AMD Radeon R9 M290X Mac Edition
GPU Specs Compare
Graphics Card
Release Date
Jun 2025
Nov 2014
Generation
Navi IV
Crystal System
Type
Desktop
Mobile
Bus Interface
PCIe 5.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1700 MHz
850 MHz
Boost Clock
3130 MHz
975 MHz
Memory Clock
2518 MHz
1365 MHz
Memory
Memory Size
8GB
2GB
Memory Type
GDDR6
GDDR5
Memory Bus
128bit
256bit
Bandwidth
322.3GB/s
174.7GB/s
Render Config
SM Count
80
-
Compute Units
32
16
Shading Units
2048
1024
TMUs
128
64
ROPs
64
32
Tensor Cores
320
-
RT Cores
32
-
L1 Cache
128 KB (per SM)
16 KB (per CU)
L2 Cache
4 MB
512 KB
L3 Cache
32 MB
-
Theoretical Performance
Pixel Rate
200.3 GPixel/s
31.20 GPixel/s
Texture Rate
400.6 GTexel/s
62.40 GTexel/s
FP16 (half)
51.28 TFLOPS
-
FP32 (float)
25.64 TFLOPS
1.997 TFLOPS
FP64 (double)
801.3 GFLOPS
124.8 GFLOPS
Graphics Processor
GPU Name
Navi 44
Pitcairn
GPU Variant
Navi 44 XT(215-176400102)
Pitcairn PRO(215-0828062)
Architecture
RDNA 4.0
GCN 1.0
Foundry
TSMC
TSMC
Process Size
4 nm
28 nm
Transistors
29.7 billion
2.8 billion
Die Size
199 mm²
212 mm²
Board Design
TDP
150W
80W
Suggested PSU
450 W
-
Outputs
1x HDMI 2.1b2x DisplayPort 2.1a
No outputs
Power Connectors
1x 8-pin
None
Graphics Features
DirectX
12 Ultimate (12_2)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
2.2
1.2
Vulkan
1.3
1.2
CUDA
8.6
-
Shader Model
6.8
5.1
📊 Benchmark
Blender
5,956
-