NVIDIA GeForce RTX 4080 Mobile vs AMD Radeon R9 280X2
GPU · Specs Compare
Graphics Card
Release Date
Jan 2023
Unknown
Generation
GeForce 40 Mobile
Volcanic Islands
Type
Mobile
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1290 MHz
950 MHz
Boost Clock
1665 MHz
1000 MHz
Memory Clock
2250 MHz
1500 MHz
Memory
Memory Size
12GB
3GB
Memory Type
GDDR6
GDDR5
Memory Bus
192bit
384bit
Bandwidth
432.0GB/s
288.0GB/s
Render Config
SM Count
58
—
Shading Units
7424
2048
TMUs
232
128
ROPs
80
32
Tensor Cores
232
—
RT Cores
58
—
L1 Cache
128 KB (per SM)
16 KB (per CU)
L2 Cache
48 MB
768 KB
Compute Units
—
32
Theoretical Performance
Pixel Rate
133.2 GPixel/s
32.00 GPixel/s
Texture Rate
386.3 GTexel/s
128.0 GTexel/s
FP16 (half)
24.72 TFLOPS
—
FP32 (float)
24.72 TFLOPS
4.096 TFLOPS
FP64 (double)
386.3 GFLOPS
1024 GFLOPS
Graphics Processor
GPU Name
AD104
Tahiti
GPU Variant
GN21-X9
Tahiti XTL(215-0821065)
Architecture
Ada Lovelace
GCN 1.0
Foundry
TSMC
TSMC
Process Size
5 nm
28 nm
Transistors
35.8 billion
4.313 billion
Die Size
294 mm²
352 mm²
Board Design
TDP
110W
375W
Outputs
Portable Device Dependent
6x mini-DisplayPort 1.2
Power Connectors
None
3x 8-pin
Suggested PSU
—
750 W
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
6.8
5.1
▲ Specs Compare
Data sourced from official specifications and benchmark tests.