NVIDIA GeForce RTX 5080 vs AMD Radeon RX 580X Mobile
GPU Specs Compare
Graphics Card
Release Date
Jan 2025
Apr 2018
Generation
GeForce 50
Mobility Radeon
Type
Desktop
Mobile
Bus Interface
PCIe 5.0 x16
MXM-B (3.0)
Clock Speeds
Base Clock
2295 MHz
1000 MHz
Boost Clock
2617 MHz
1077 MHz
Memory Clock
1875 MHz
2000 MHz
Memory
Memory Size
16GB
8GB
Memory Type
GDDR7
GDDR5
Memory Bus
256bit
256bit
Bandwidth
960.0GB/s
256.0GB/s
Render Config
SM Count
84
-
Shading Units
10752
2304
TMUs
336
144
ROPs
112
32
Tensor Cores
336
-
RT Cores
84
-
L1 Cache
128 KB (per SM)
16 KB (per CU)
L2 Cache
64 MB
2 MB
Compute Units
-
36
Theoretical Performance
Pixel Rate
293.1 GPixel/s
34.46 GPixel/s
Texture Rate
879.3 GTexel/s
155.1 GTexel/s
FP16 (half)
56.28 TFLOPS
4.963 TFLOPS
FP32 (float)
56.28 TFLOPS
4.963 TFLOPS
FP64 (double)
879.3 GFLOPS
310.2 GFLOPS
Graphics Processor
GPU Name
GB203
Polaris 20
GPU Variant
GB203-400-A1
Polaris 20M XT
Architecture
Blackwell 2.0
GCN 4.0
Foundry
TSMC
GlobalFoundries
Process Size
5 nm
14 nm
Transistors
45.6 billion
5.7 billion
Die Size
378 mm²
232 mm²
Board Design
TDP
360W
100W
Suggested PSU
750 W
-
Outputs
1x HDMI 2.1b3x DisplayPort 2.1b
No outputs
Power Connectors
1x 16-pin
None
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
3.0
2.1
Vulkan
1.4
1.2
CUDA
12.0
-
Shader Model
6.8
6.4
📊 Benchmark
3DMark Time Spy
33,116
-
3DMark Time Spy Extreme
16,627
-
3DMark Speed Way
9,296
-