NVIDIA GeForce RTX 3080 vs AMD Radeon RX 6450M
GPU · Specs Compare
Graphics Card
Release Date
Sep 2020
Jan 2023
Generation
GeForce 30
Navi Mobile
Type
Desktop
Mobile
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x4
Clock Speeds
Base Clock
1440 MHz
2000 MHz
Boost Clock
1710 MHz
2460 MHz
Memory Clock
1188 MHz
2000 MHz
Memory
Memory Size
10GB
4GB
Memory Type
GDDR6X
GDDR6
Memory Bus
320bit
64bit
Bandwidth
760.3GB/s
128.0GB/s
Render Config
SM Count
68
—
Shading Units
8704
768
TMUs
272
48
ROPs
96
32
Tensor Cores
272
—
RT Cores
68
12
L1 Cache
128 KB (per SM)
128 KB per Array
L2 Cache
5 MB
1024 KB
Compute Units
—
12
L3 Cache
—
16 MB
Theoretical Performance
Pixel Rate
164.2 GPixel/s
78.72 GPixel/s
Texture Rate
465.1 GTexel/s
118.1 GTexel/s
FP16 (half)
29.77 TFLOPS
7.557 TFLOPS
FP32 (float)
29.77 TFLOPS
3.779 TFLOPS
FP64 (double)
465.1 GFLOPS
236.2 GFLOPS
Graphics Processor
GPU Name
GA102
Navi 24
GPU Variant
GA102-200-KD-A1
Navi 24 XML
Architecture
Ampere
RDNA 2.0
Foundry
Samsung
TSMC
Process Size
8 nm
6 nm
Transistors
28.3 billion
5.4 billion
Die Size
628 mm²
107 mm²
Board Design
TDP
320W
50W
Suggested PSU
700 W
—
Outputs
1x HDMI 2.13x DisplayPort 1.4a
Portable Device Dependent
Power Connectors
1x 12-pin
None
Graphics Features
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
3.0
2.2
Vulkan
1.3
1.3
CUDA
8.6
—
Shader Model
6.6
6.7
Benchmark
3DMark Time Spy
17,662
—
3DMark Time Spy Extreme
8,879
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.