Home GPU Comparison AMD Radeon RX 6900 XT vs NVIDIA GeForce RTX 3080

AMD Radeon RX 6900 XT vs NVIDIA GeForce RTX 3080

AMD Radeon RX 6900 XT
VS
NVIDIA GeForce RTX 3080
AMD Radeon RX 6900 XT
NVIDIA GeForce RTX 3080
We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 6900 XT and 10GB VRAM GeForce RTX 3080 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6900 XT 's Advantages
Boost Clock has increased by 32% (2250MHz vs 1710MHz)
More VRAM (16GB vs 10GB)
Lower TDP (300W vs 320W)
NVIDIA GeForce RTX 3080 's Advantages
Larger VRAM bandwidth (760.3GB/s vs 512.0GB/s)
3584 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon RX 6900 XT
23.04 TFLOPS
GeForce RTX 3080 +29%
29.77 TFLOPS
3DMark Time Spy
Radeon RX 6900 XT +17%
20932
GeForce RTX 3080
17753
Shadow of the Tomb Raider 2160p
Radeon RX 6900 XT
79
GeForce RTX 3080
79
Shadow of the Tomb Raider 1440p
Radeon RX 6900 XT +2%
142
GeForce RTX 3080
139
Shadow of the Tomb Raider 1080p
Radeon RX 6900 XT +7%
194
GeForce RTX 3080
181
Cyberpunk 2077 2160p
Radeon RX 6900 XT +8%
66
GeForce RTX 3080
61
Cyberpunk 2077 1440p
Radeon RX 6900 XT +6%
77
GeForce RTX 3080
72
Cyberpunk 2077 1080p
Radeon RX 6900 XT +9%
116
GeForce RTX 3080
106
Battlefield 5 2160p
Radeon RX 6900 XT +6%
114
GeForce RTX 3080
107
Battlefield 5 1440p
Radeon RX 6900 XT +23%
200
GeForce RTX 3080
162
Battlefield 5 1080p
Radeon RX 6900 XT +5%
201
GeForce RTX 3080
190
GTA 5 2160p
Radeon RX 6900 XT +38%
127
GeForce RTX 3080
92
GTA 5 1440p
Radeon RX 6900 XT +7%
152
GeForce RTX 3080
141
GTA 5 1080p
Radeon RX 6900 XT +9%
189
GeForce RTX 3080
172
Horizon Forbidden West 1080p
Radeon RX 6900 XT +20%
114
GeForce RTX 3080
95
Horizon Forbidden West 1440p
Radeon RX 6900 XT +18%
89
GeForce RTX 3080
75
Horizon Forbidden West 2160p
Radeon RX 6900 XT +12%
56
GeForce RTX 3080
50
Radeon RX 6900 XT
VS
GeForce RTX 3080

Graphics Card

Oct 2020
Release Date
Sep 2020
Navi II
Generation
GeForce 30
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 4.0 x16

Clock Speeds

1825 MHz
Base Clock
1440 MHz
2250 MHz
Boost Clock
1710 MHz
2000 MHz
Memory Clock
1188 MHz

Memory

16GB
Memory Size
10GB
GDDR6
Memory Type
GDDR6X
256bit
Memory Bus
320bit
512.0GB/s
Bandwidth
760.3GB/s

Render Config

80
Compute Units
-
-
SM Count
68
5120
Shading Units
8704
320
TMUs
272
128
ROPs
96
-
Tensor Cores
272
80
RT Cores
68
128 KB per Array
L1 Cache
128 KB (per SM)
4 MB
L2 Cache
5 MB
128 MB
L3 Cache
-

Theoretical Performance

288.0 GPixel/s
Pixel Rate
164.2 GPixel/s
720.0 GTexel/s
Texture Rate
465.1 GTexel/s
46.08 TFLOPS
FP16 (half)
29.77 TFLOPS
23.04 TFLOPS
FP32 (float)
29.77 TFLOPS
1440 GFLOPS
FP64 (double)
465.1 GFLOPS

Board Design

300W
TDP
320W
700 W
Suggested PSU
700 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 12-pin

Graphics Processor

Navi 21
GPU Name
GA102
Navi 21 XTX (215-121000167)
GPU Variant
GA102-200-KD-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

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