AMD Radeon RX 6800 XT vs NVIDIA GeForce GTX 1080 Mobile
GPU · Specs Compare
Graphics Card
Release Date
Oct 2020
Aug 2016
Generation
Navi II
GeForce 10 Mobile
Type
Desktop
Mobile
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1825 MHz
1556 MHz
Boost Clock
2250 MHz
1734 MHz
Memory Clock
2000 MHz
1251 MHz
Memory
Memory Size
16GB
8GB
Memory Type
GDDR6
GDDR5X
Memory Bus
256bit
256bit
Bandwidth
512.0GB/s
320.3GB/s
Render Config
Compute Units
72
—
Shading Units
4608
2560
TMUs
288
160
ROPs
128
64
RT Cores
72
—
L1 Cache
128 KB per Array
48 KB (per SM)
L2 Cache
4 MB
2 MB
L3 Cache
128 MB
—
SM Count
—
20
Theoretical Performance
Pixel Rate
288.0 GPixel/s
111.0 GPixel/s
Texture Rate
648.0 GTexel/s
277.4 GTexel/s
FP16 (half)
41.47 TFLOPS
138.7 GFLOPS
FP32 (float)
20.74 TFLOPS
8.878 TFLOPS
FP64 (double)
1296 GFLOPS
277.4 GFLOPS
Graphics Processor
GPU Name
Navi 21
GP104
GPU Variant
Navi 21 XT(215-121000177)
N17E-G3-A1
Architecture
RDNA 2.0
Pascal
Foundry
TSMC
TSMC
Process Size
7 nm
16 nm
Transistors
26.8 billion
7.2 billion
Die Size
520 mm²
314 mm²
Board Design
TDP
300W
150W
Suggested PSU
700 W
—
Outputs
1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C
No outputs
Power Connectors
2x 8-pin
None
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
2.1
3.0
Vulkan
1.3
1.3
Shader Model
6.5
6.4
CUDA
—
6.1
Benchmark
3DMark Time Spy
19,329
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.