GeForce RTX 3080 Ti vs Radeon RX 8800 XT
We compared two Desktop platform GPUs: 12GB VRAM GeForce RTX 3080 Ti and 16GB VRAM Radeon RX 8800 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce RTX 3080 Ti 's Advantages
Larger VRAM bandwidth (912.4GB/s vs 624.1GB/s)
6144 additional rendering cores
Radeon RX 8800 XT 's Advantages
Boost Clock has increased by 46% (2430MHz vs 1665MHz)
More VRAM (16GB vs 12GB)
Lower TDP (220W vs 350W)
Score
Benchmark
FP32 (float)
GeForce RTX 3080 Ti
+71%
34100
Radeon RX 8800 XT
19910
Graphics Card
May 2021
Release Date
Unknown
GeForce 30
Generation
Navi IV(RX 8000)
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 4.0 x16
Clock Speeds
1365 MHz
Base Clock
1295 MHz
1665 MHz
Boost Clock
2430 MHz
1188 MHz
Memory Clock
2438 MHz
Memory
12GB
Memory Size
16GB
GDDR6X
Memory Type
GDDR6
384bit
Memory Bus
256bit
912.4GB/s
Bandwidth
624.1GB/s
Render Config
-
Compute Units
64
80
SM Count
-
10240
Shading Units
4096
320
TMUs
256
112
ROPs
96
320
Tensor Cores
-
80
RT Cores
64
128 KB (per SM)
L1 Cache
128 KB per Array
6 MB
L2 Cache
4 MB
-
L3 Cache
64 MB
Theoretical Performance
186.5 GPixel/s
Pixel Rate
233.3 GPixel/s
532.8 GTexel/s
Texture Rate
622.1 GTexel/s
34.10 TFLOPS
FP16 (half)
39.81 TFLOPS
34.10 TFLOPS
FP32 (float)
19.91 TFLOPS
532.8 GFLOPS
FP64 (double)
622.1 GFLOPS
Board Design
350W
TDP
220W
750 W
Suggested PSU
550 W
1x HDMI 2.1
3x DisplayPort 1.4a
Outputs
1x HDMI 2.1a3x DisplayPort 2.1
1x 12-pin
Power Connectors
2x 8-pin
Graphics Processor
GA102
GPU Name
Navi 48
GA102-225-A1
GPU Variant
Navi 48 XT
Ampere
Architecture
RDNA 4.0
Samsung
Foundry
TSMC
8 nm
Process Size
4 nm
28.3 billion
Transistors
Unknown
628 mm²
Die Size
Unknown
Graphics Features
12 Ultimate (12_2)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
3.0
OpenCL
2.2
1.3
Vulkan
1.3
8.6
CUDA
-
6.6
Shader Model
6.8
