NVIDIA GeForce RTX 3080 Ti Mobile vs AMD Radeon R9 280X2
GPU · Specs Compare
Graphics Card
Release Date
Jan 2022
Unknown
Generation
GeForce 30 Mobile
Volcanic Islands
Type
Mobile
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
810 MHz
950 MHz
Boost Clock
1260 MHz
1000 MHz
Memory Clock
2000 MHz
1500 MHz
Memory
Memory Size
16GB
3GB
Memory Type
GDDR6
GDDR5
Memory Bus
256bit
384bit
Bandwidth
512.0GB/s
288.0GB/s
Render Config
SM Count
58
—
Shading Units
7424
2048
TMUs
232
128
ROPs
96
32
Tensor Cores
232
—
RT Cores
58
—
L1 Cache
128 KB (per SM)
16 KB (per CU)
L2 Cache
4 MB
768 KB
Compute Units
—
32
Theoretical Performance
Pixel Rate
121.0 GPixel/s
32.00 GPixel/s
Texture Rate
292.3 GTexel/s
128.0 GTexel/s
FP16 (half)
18.71 TFLOPS
—
FP32 (float)
18.71 TFLOPS
4.096 TFLOPS
FP64 (double)
292.3 GFLOPS
1024 GFLOPS
Graphics Processor
GPU Name
GA103S
Tahiti
GPU Variant
GN20-E8-A1
Tahiti XTL(215-0821065)
Architecture
Ampere
GCN 1.0
Foundry
Samsung
TSMC
Process Size
8 nm
28 nm
Transistors
Unknown
4.313 billion
Die Size
496 mm²
352 mm²
Board Design
TDP
115W
375W
Outputs
No outputs
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
8.6
—
Shader Model
6.5
5.1
Benchmark
3DMark Time Spy
12,905
—
3DMark Time Spy Extreme
6,164
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.