AMD Radeon RX 455 OEM vs NVIDIA GeForce RTX 5080 Mobile
GPU · Specs Compare
Graphics Card
Release Date
Jun 2016
Apr 2025
Generation
Arctic Islands
GeForce 50 Mobile
Type
Desktop
Mobile
Bus Interface
PCIe 3.0 x16
PCIe 5.0 x16
Clock Speeds
Memory Clock
1625 MHz
1750 MHz
Base Clock
—
975 MHz
Boost Clock
—
1500 MHz
Memory
Memory Size
2GB
16GB
Memory Type
GDDR5
GDDR7
Memory Bus
128bit
256bit
Bandwidth
104.0GB/s
896.0GB/s
Render Config
Compute Units
12
—
Shading Units
768
7680
TMUs
48
240
ROPs
16
96
L1 Cache
16 KB (per CU)
128 KB (per SM)
L2 Cache
256 KB
64 MB
SM Count
—
60
Tensor Cores
—
240
RT Cores
—
60
Theoretical Performance
Pixel Rate
16.80 GPixel/s
144.0 GPixel/s
Texture Rate
50.40 GTexel/s
360.0 GTexel/s
FP32 (float)
1.613 TFLOPS
23.04 TFLOPS
FP64 (double)
100.8 GFLOPS
360.0 GFLOPS
FP16 (half)
—
23.04 TFLOPS
Graphics Processor
GPU Name
Tobago
GB203
GPU Variant
Tobago PRO(215-0875010)
—
Architecture
GCN 2.0
Blackwell 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
5 nm
Transistors
2.08 billion
45.6 billion
Die Size
160 mm²
378 mm²
Board Design
TDP
100W
80W
Suggested PSU
300 W
550 W
Outputs
1x DVI1x HDMI 1.4a1x DisplayPort 1.2
Portable Device Dependent
Power Connectors
1x 6-pin
None
Graphics Features
DirectX
12 (12_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.0
3.0
Vulkan
1.2
1.4
Shader Model
6.3
6.8
CUDA
—
12.0
▲ Specs Compare
Data sourced from official specifications and benchmark tests.