Home GPU Comparison AMD Radeon RX 6900 XT vs NVIDIA GeForce RTX 3090

AMD Radeon RX 6900 XT vs NVIDIA GeForce RTX 3090

AMD Radeon RX 6900 XT
VS
NVIDIA GeForce RTX 3090
AMD Radeon RX 6900 XT NVIDIA GeForce RTX 3090
We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 6900 XT and 24GB VRAM GeForce RTX 3090 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 33% (2250MHz vs 1695MHz)
Lower TDP (300W vs 350W)
NVIDIA GeForce RTX 3090 's Advantages
More VRAM (24GB vs 16GB)
Larger VRAM bandwidth (936.2GB/s vs 512.0GB/s)
5376 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon RX 6900 XT
23.04 TFLOPS
GeForce RTX 3090 +54%
35.58 TFLOPS
3DMark Time Spy
Radeon RX 6900 XT +5%
20915
GeForce RTX 3090
19908
Shadow of the Tomb Raider 2160p
Radeon RX 6900 XT
79
GeForce RTX 3090 +17%
93
Shadow of the Tomb Raider 1440p
Radeon RX 6900 XT
142
GeForce RTX 3090 +8%
154
Shadow of the Tomb Raider 1080p
Radeon RX 6900 XT
194
GeForce RTX 3090 +3%
200
Cyberpunk 2077 2160p
Radeon RX 6900 XT
66
GeForce RTX 3090
66
Cyberpunk 2077 1440p
Radeon RX 6900 XT
77
GeForce RTX 3090 +2%
79
Cyberpunk 2077 1080p
Radeon RX 6900 XT +1%
116
GeForce RTX 3090
114
Battlefield 5 2160p
Radeon RX 6900 XT
114
GeForce RTX 3090 +1%
116
Battlefield 5 1440p
Radeon RX 6900 XT +5%
200
GeForce RTX 3090
189
Battlefield 5 1080p
Radeon RX 6900 XT +1%
201
GeForce RTX 3090
199
GTA 5 2160p
Radeon RX 6900 XT
127
GeForce RTX 3090 +3%
132
GTA 5 1440p
Radeon RX 6900 XT
152
GeForce RTX 3090 +19%
182
GTA 5 1080p
Radeon RX 6900 XT
189
GeForce RTX 3090 +10%
209
Horizon Forbidden West 1080p
Radeon RX 6900 XT +8%
114
GeForce RTX 3090
105
Horizon Forbidden West 1440p
Radeon RX 6900 XT
89
GeForce RTX 3090 +2%
91
Horizon Forbidden West 2160p
Radeon RX 6900 XT
56
GeForce RTX 3090
56
Radeon RX 6900 XT
VS
GeForce RTX 3090

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
1395 MHz
2250 MHz
Boost Clock
1695 MHz
2000 MHz
Memory Clock
1219 MHz

Memory

16GB
Memory Size
24GB
GDDR6
Memory Type
GDDR6X
256bit
Memory Bus
384bit
512.0GB/s
Bandwidth
936.2GB/s

Render Config

-
SM Count
82
80
Compute Units
-
5120
Shading Units
10496
320
TMUs
328
128
ROPs
112
-
Tensor Cores
328
80
RT Cores
82
128 KB per Array
L1 Cache
128 KB (per SM)
4 MB
L2 Cache
6 MB

Theoretical Performance

288.0 GPixel/s
Pixel Rate
189.8 GPixel/s
720.0 GTexel/s
Texture Rate
556.0 GTexel/s
46.08 TFLOPS
FP16 (half)
35.58 TFLOPS
23.04 TFLOPS
FP32 (float)
35.58 TFLOPS
1440 GFLOPS
FP64 (double)
556.0 GFLOPS

Graphics Processor

Navi 21
GPU Name
GA102
Navi 21 XTX (215-121000167)
GPU Variant
GA102-300-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

Board Design

300W
TDP
350W
700 W
Suggested PSU
750 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 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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