AMD Radeon RX 6800 XT vs NVIDIA GeForce RTX 3090 Ti
We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 6800 XT and 24GB VRAM GeForce RTX 3090 Ti to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon RX 6800 XT 's Advantages
Boost Clock has increased by 21% (2250MHz vs 1860MHz)
Lower TDP (300W vs 450W)
NVIDIA GeForce RTX 3090 Ti 's Advantages
Released 1 years and 3 months late
More VRAM (24GB vs 16GB)
Larger VRAM bandwidth (1008GB/s vs 512.0GB/s)
6144 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon RX 6800 XT
20.74 TFLOPS
GeForce RTX 3090 Ti
+92%
40 TFLOPS
3DMark Time Spy
Radeon RX 6800 XT
19329
GeForce RTX 3090 Ti
+12%
21832
3DMark Time Spy Extreme
Radeon RX 6800 XT
9315
GeForce RTX 3090 Ti
+21%
11318
3DMark Speed Way
Radeon RX 6800 XT
3653
GeForce RTX 3090 Ti
+61%
5903
Blender
Radeon RX 6800 XT
2752
GeForce RTX 3090 Ti
+125%
6217
Shadow of the Tomb Raider 2160p
Radeon RX 6800 XT
72
GeForce RTX 3090 Ti
+45%
105
Shadow of the Tomb Raider 1440p
Radeon RX 6800 XT
134
GeForce RTX 3090 Ti
+24%
167
Shadow of the Tomb Raider 1080p
Radeon RX 6800 XT
188
GeForce RTX 3090 Ti
+11%
210
Cyberpunk 2077 2160p
Radeon RX 6800 XT
60
GeForce RTX 3090 Ti
+16%
70
Cyberpunk 2077 1440p
Radeon RX 6800 XT
69
GeForce RTX 3090 Ti
+26%
87
Cyberpunk 2077 1080p
Radeon RX 6800 XT
102
GeForce RTX 3090 Ti
+22%
125
Battlefield 5 2160p
Radeon RX 6800 XT
104
GeForce RTX 3090 Ti
+23%
128
Battlefield 5 1440p
Radeon RX 6800 XT
179
GeForce RTX 3090 Ti
+12%
201
Battlefield 5 1080p
Radeon RX 6800 XT
199
GeForce RTX 3090 Ti
200
GTA 5 2160p
Radeon RX 6800 XT
111
GeForce RTX 3090 Ti
+27%
141
GTA 5 1440p
Radeon RX 6800 XT
138
GeForce RTX 3090 Ti
+35%
187
GTA 5 1080p
Radeon RX 6800 XT
178
GeForce RTX 3090 Ti
+26%
226
Horizon Forbidden West 1080p
Radeon RX 6800 XT
107
GeForce RTX 3090 Ti
+6%
114
Horizon Forbidden West 1440p
Radeon RX 6800 XT
52
GeForce RTX 3090 Ti
+78%
93
Graphics Card
Oct 2020
Release Date
Jan 2022
Navi II
Generation
GeForce 30
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 4.0 x16
Clock Speeds
1825 MHz
Base Clock
1560 MHz
2250 MHz
Boost Clock
1860 MHz
2000 MHz
Memory Clock
1313 MHz
Memory
16GB
Memory Size
24GB
GDDR6
Memory Type
GDDR6X
256bit
Memory Bus
384bit
512.0GB/s
Bandwidth
1008GB/s
Render Config
72
Compute Units
-
-
SM Count
84
4608
Shading Units
10752
288
TMUs
336
128
ROPs
112
-
Tensor Cores
336
72
RT Cores
84
128 KB per Array
L1 Cache
128 KB (per SM)
4 MB
L2 Cache
6 MB
128 MB
L3 Cache
-
Theoretical Performance
288.0 GPixel/s
Pixel Rate
208.3 GPixel/s
648.0 GTexel/s
Texture Rate
625.0 GTexel/s
41.47 TFLOPS
FP16 (half)
40.00 TFLOPS
20.74 TFLOPS
FP32 (float)
40.00 TFLOPS
1296 GFLOPS
FP64 (double)
625.0 GFLOPS
Board Design
300W
TDP
450W
700 W
Suggested PSU
850 W
1x HDMI 2.1
2x DisplayPort 1.4a
1x USB Type-C
Outputs
1x HDMI 2.1
3x DisplayPort 1.4a
2x 8-pin
Power Connectors
1x 16-pin
Graphics Processor
Navi 21
GPU Name
GA102
Navi 21 XT
(215-121000177)
GPU Variant
GA102-350-A1
RDNA 2.0
Architecture
Ampere
TSMC
Foundry
Samsung
7 nm
Process Size
8 nm
26.8 billion
Transistors
28.3 billion
520 mm²
Die Size
628 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
2.1
OpenCL
3.0
1.3
Vulkan
1.3
-
CUDA
8.6
6.5
Shader Model
6.6
