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GPU Comparison

Side-by-side comparison of specifications and performance

Performance Comparison

AMD Radeon RX 6900 XT

92%
92%

NVIDIA GeForce RTX 3080 Ti

109%
109%
NVIDIA GeForce RTX 3080 Ti is approximately 17% faster

Technical Specifications

SpecificationAMD Radeon RX 6900 XTNVIDIA GeForce RTX 3080 Ti
Graphics ProcessorDifferent
Navi 21
GA102
CoresDifferent
5120
10240
TMUs
320
320
ROPsDifferent
128
112
Memory SizeDifferent
16 GB
12 GB
Memory TypeDifferent
GDDR6
GDDR6X
Bus WidthDifferent
256 bit
384 bit

Graphics Processor

FeatureAMD Radeon RX 6900 XTNVIDIA GeForce RTX 3080 Ti
GPU NameDifferent
Navi 21
GA102
GPU VariantDifferent
Navi 21 XTX(215-121000167)
GA102-225-A1
ArchitectureDifferent
RDNA 2.0
Ampere
FoundryDifferent
TSMC
Samsung
Process SizeDifferent
7 nm
8 nm
TransistorsDifferent
26,800 million
28,300 million
DensityDifferent
51.5M / mm²
45.1M / mm²
Die SizeDifferent
520 mm²
628 mm²
Chip PackageDifferent
BGA-2425
BGA-3328

Graphics Card

FeatureAMD Radeon RX 6900 XTNVIDIA GeForce RTX 3080 Ti
Release DateDifferent
Oct 28th, 2020
May 31st, 2021
AvailabilityDifferent
Dec 8th, 2020
Jun 3rd, 2021
GenerationDifferent
Navi II(RX 6000)
GeForce 30
PredecessorDifferent
Navi
GeForce 20
SuccessorDifferent
Navi III
GeForce 40
Production
Active
Active
Launch PriceDifferent
999 USD
1,199 USD
Current PriceDifferent
Amazon/Newegg
N/A
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x16
ReviewsDifferent
33 in our database
59 in our database

Clock Speeds

FeatureAMD Radeon RX 6900 XTNVIDIA GeForce RTX 3080 Ti
Base ClockDifferent
1825 MHz
1365 MHz
Game ClockDifferent
2015 MHz
N/A
Boost ClockDifferent
2250 MHz
1665 MHz
Memory ClockDifferent
2000 MHz16 Gbps effective
1188 MHz19 Gbps effective

Memory

FeatureAMD Radeon RX 6900 XTNVIDIA GeForce RTX 3080 Ti
Memory SizeDifferent
16 GB
12 GB
Memory TypeDifferent
GDDR6
GDDR6X
Memory BusDifferent
256 bit
384 bit
BandwidthDifferent
512.0 GB/s
912.4 GB/s

Render Config

FeatureAMD Radeon RX 6900 XTNVIDIA GeForce RTX 3080 Ti
Shading UnitsDifferent
5120
10240
TMUs
320
320
ROPsDifferent
128
112
Compute UnitsDifferent
80
N/A
RT Cores
80
80
L0 CacheDifferent
32 KB per WGP
N/A
L1 CacheDifferent
128 KB per Array
128 KB (per SM)
L2 CacheDifferent
4 MB
6 MB
L3 CacheDifferent
128 MB
N/A
SM CountDifferent
N/A
80
Tensor CoresDifferent
N/A
320

Theoretical Performance

FeatureAMD Radeon RX 6900 XTNVIDIA GeForce RTX 3080 Ti
Pixel RateDifferent
288.0 GPixel/s
186.5 GPixel/s
Texture RateDifferent
720.0 GTexel/s
532.8 GTexel/s
FP16 (half)Different
46.08 TFLOPS (2:1)
34.10 TFLOPS (1:1)
FP32 (float)Different
23.04 TFLOPS
34.10 TFLOPS
FP64 (double)Different
1,440.0 GFLOPS (1:16)
532.8 GFLOPS (1:64)

Board Design

FeatureAMD Radeon RX 6900 XTNVIDIA GeForce RTX 3080 Ti
Slot WidthDifferent
Triple-slot
Dual-slot
LengthDifferent
267 mm10.5 inches
285 mm11.2 inches
HeightDifferent
120 mm4.7 inches
112 mm4.4 inches
WidthDifferent
50 mm2 inches
40 mm1.6 inches
TDPDifferent
300 W
350 W
Suggested PSUDifferent
700 W
750 W
OutputsDifferent
1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C
1x HDMI 2.13x DisplayPort 1.4a
Power ConnectorsDifferent
2x 8-pin
1x 12-pin
Part NumberDifferent
102-D412
N/A
Board NumberDifferent
109-D412A7-00_03
PG132 SKU 18

Graphics Features

FeatureAMD Radeon RX 6900 XTNVIDIA GeForce RTX 3080 Ti
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCLDifferent
2.1
3.0
Vulkan
1.3
1.3
Shader Model
6.8
6.8
CUDADifferent
N/A
8.6

Comparison Summary

7
Specifications Compared
8
Feature Categories
59
Detailed Features

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