GeForce RTX 3080 Ti vs Radeon RX 6600 XT
We compared two Desktop platform GPUs: 12GB VRAM GeForce RTX 3080 Ti and 8GB VRAM Radeon RX 6600 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce RTX 3080 Ti 's Advantages
More VRAM (12GB vs 8GB)
Larger VRAM bandwidth (912.4GB/s vs 256.0GB/s)
8192 additional rendering cores
Radeon RX 6600 XT 's Advantages
Boost Clock has increased by 55% (2589MHz vs 1665MHz)
Lower TDP (160W vs 350W)
Score
Benchmark
FP32 (float)
GeForce RTX 3080 Ti
+221%
34100
Radeon RX 6600 XT
10600
3DMark Time Spy
GeForce RTX 3080 Ti
+103%
19629
Radeon RX 6600 XT
9656
3DMark Time Spy Extreme
GeForce RTX 3080 Ti
+128%
10032
Radeon RX 6600 XT
4399
3DMark Speed Way
GeForce RTX 3080 Ti
+218%
5330
Radeon RX 6600 XT
1675
Shadow of the Tomb Raider 2160p
GeForce RTX 3080 Ti
+142%
92
Radeon RX 6600 XT
38
Shadow of the Tomb Raider 1440p
GeForce RTX 3080 Ti
+112%
153
Radeon RX 6600 XT
72
Shadow of the Tomb Raider 1080p
GeForce RTX 3080 Ti
+67%
199
Radeon RX 6600 XT
119
Cyberpunk 2077 2160p
GeForce RTX 3080 Ti
+127%
66
Radeon RX 6600 XT
29
Cyberpunk 2077 1440p
GeForce RTX 3080 Ti
+113%
77
Radeon RX 6600 XT
36
Cyberpunk 2077 1080p
GeForce RTX 3080 Ti
+93%
112
Radeon RX 6600 XT
58
Battlefield 5 2160p
GeForce RTX 3080 Ti
+96%
114
Radeon RX 6600 XT
58
Battlefield 5 1440p
GeForce RTX 3080 Ti
+68%
187
Radeon RX 6600 XT
111
Battlefield 5 1080p
GeForce RTX 3080 Ti
+38%
199
Radeon RX 6600 XT
144
GTA 5 2160p
GeForce RTX 3080 Ti
+63%
100
Radeon RX 6600 XT
61
GTA 5 1440p
GeForce RTX 3080 Ti
+82%
150
Radeon RX 6600 XT
82
GTA 5 1080p
GeForce RTX 3080 Ti
+24%
186
Radeon RX 6600 XT
149
Graphics Card
May 2021
Release Date
Jul 2021
GeForce 30
Generation
Navi II
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 4.0 x8
Clock Speeds
1365 MHz
Base Clock
1968 MHz
1665 MHz
Boost Clock
2589 MHz
1188 MHz
Memory Clock
2000 MHz
Memory
12GB
Memory Size
8GB
GDDR6X
Memory Type
GDDR6
384bit
Memory Bus
128bit
912.4GB/s
Bandwidth
256.0GB/s
Render Config
-
Compute Units
32
80
SM Count
-
10240
Shading Units
2048
320
TMUs
128
112
ROPs
64
320
Tensor Cores
-
80
RT Cores
32
128 KB (per SM)
L1 Cache
128 KB per Array
6 MB
L2 Cache
2 MB
-
L3 Cache
32 MB
Theoretical Performance
186.5 GPixel/s
Pixel Rate
165.7 GPixel/s
532.8 GTexel/s
Texture Rate
331.4 GTexel/s
34.10 TFLOPS
FP16 (half)
21.21 TFLOPS
34.10 TFLOPS
FP32 (float)
10.60 TFLOPS
532.8 GFLOPS
FP64 (double)
662.8 GFLOPS
Board Design
350W
TDP
160W
750 W
Suggested PSU
450 W
1x HDMI 2.1
3x DisplayPort 1.4a
Outputs
1x HDMI 2.1
3x DisplayPort 1.4a
1x 12-pin
Power Connectors
1x 8-pin
Graphics Processor
GA102
GPU Name
Navi 23
GA102-225-A1
GPU Variant
Navi 23 XT
(215-130000006)
Ampere
Architecture
RDNA 2.0
Samsung
Foundry
TSMC
8 nm
Process Size
7 nm
28.3 billion
Transistors
11.06 billion
628 mm²
Die Size
237 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
3.0
OpenCL
2.1
1.3
Vulkan
1.3
8.6
CUDA
-
6.6
Shader Model
6.7