NVIDIA GeForce GTX 1080 11Gbps vs AMD Radeon RX 6800 XT
We compared two Desktop platform GPUs: 8GB VRAM GeForce GTX 1080 11Gbps and 16GB VRAM Radeon RX 6800 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GTX 1080 11Gbps 's Advantages
Lower TDP (180W vs 300W)
AMD Radeon RX 6800 XT 's Advantages
Released 3 years and 6 months late
Boost Clock has increased by 30% (2250MHz vs 1733MHz)
More VRAM (16GB vs 8GB)
Larger VRAM bandwidth (512.0GB/s vs 352.3GB/s)
2048 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GTX 1080 11Gbps
8.873 TFLOPS
Radeon RX 6800 XT
+133%
20.74 TFLOPS
Graphics Card
Apr 2017
Release Date
Oct 2020
GeForce 10
Generation
Navi II
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 4.0 x16
Clock Speeds
1607 MHz
Base Clock
1825 MHz
1733 MHz
Boost Clock
2250 MHz
1376 MHz
Memory Clock
2000 MHz
Memory
8GB
Memory Size
16GB
GDDR5X
Memory Type
GDDR6
256bit
Memory Bus
256bit
352.3GB/s
Bandwidth
512.0GB/s
Render Config
-
Compute Units
72
20
SM Count
-
2560
Shading Units
4608
160
TMUs
288
64
ROPs
128
-
-
-
-
RT Cores
72
48 KB (per SM)
L1 Cache
128 KB per Array
2 MB
L2 Cache
4 MB
-
L3 Cache
128 MB
Theoretical Performance
110.9 GPixel/s
Pixel Rate
288.0 GPixel/s
277.3 GTexel/s
Texture Rate
648.0 GTexel/s
138.6 GFLOPS
FP16 (half)
41.47 TFLOPS
8.873 TFLOPS
FP32 (float)
20.74 TFLOPS
277.3 GFLOPS
FP64 (double)
1296 GFLOPS
Board Design
180W
TDP
300W
450 W
Suggested PSU
700 W
1x DVI
1x HDMI 2.0
3x DisplayPort 1.4a
Outputs
1x HDMI 2.1
2x DisplayPort 1.4a
1x USB Type-C
1x 8-pin
Power Connectors
2x 8-pin
Graphics Processor
GP104
GPU Name
Navi 21
GP104-410-A1
GPU Variant
Navi 21 XT
(215-121000177)
Pascal
Architecture
RDNA 2.0
TSMC
Foundry
TSMC
16 nm
Process Size
7 nm
7.2 billion
Transistors
26.8 billion
314 mm²
Die Size
520 mm²
Graphics Features
12 (12_1)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
3.0
OpenCL
2.1
1.3
Vulkan
1.3
6.1
CUDA
-
6.4
Shader Model
6.5
