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GPU Comparison

Side-by-side comparison of specifications and performance

AMD Radeon RX 6900 XT

AMD Radeon RX 6900 XT

AMD Radeon HD 7770 GHz Edition

AMD Radeon HD 7770 GHz Edition

Performance Comparison

AMD Radeon RX 6900 XT

1444%
1444%

AMD Radeon HD 7770 GHz Edition

18%
18%
AMD Radeon RX 6900 XT is approximately 1426% faster

Technical Specifications

SpecificationAMD Radeon RX 6900 XTAMD Radeon HD 7770 GHz Edition
Graphics ProcessorDifferent
Navi 21
Cape Verde
CoresDifferent
5120
640
TMUsDifferent
320
40
ROPsDifferent
128
16
Memory SizeDifferent
16 GB
1024 MB
Memory TypeDifferent
GDDR6
GDDR5
Bus WidthDifferent
256 bit
128 bit

Graphics Processor

FeatureAMD Radeon RX 6900 XTAMD Radeon HD 7770 GHz Edition
GPU NameDifferent
Navi 21
Cape Verde
GPU VariantDifferent
Navi 21 XTX(215-121000167)
Cape Verde XT(215-0825117)
ArchitectureDifferent
RDNA 2.0
GCN 1.0
Foundry
TSMC
TSMC
Process SizeDifferent
7 nm
28 nm
TransistorsDifferent
26,800 million
1,500 million
DensityDifferent
51.5M / mm²
12.2M / mm²
Die SizeDifferent
520 mm²
123 mm²
Chip PackageDifferent
BGA-2425
FCBGA-962

Graphics Card

FeatureAMD Radeon RX 6900 XTAMD Radeon HD 7770 GHz Edition
Release DateDifferent
Oct 28th, 2020
Feb 15th, 2012
AvailabilityDifferent
Dec 8th, 2020
N/A
GenerationDifferent
Navi II(RX 6000)
Southern Islands(HD 7700)
PredecessorDifferent
Navi
Northern Islands
SuccessorDifferent
Navi III
Sea Islands
ProductionDifferent
Active
End-of-life
Launch PriceDifferent
999 USD
159 USD
Current PriceDifferent
Amazon/Newegg
N/A
Bus InterfaceDifferent
PCIe 4.0 x16
PCIe 3.0 x16
ReviewsDifferent
33 in our database
97 in our database

Clock Speeds

FeatureAMD Radeon RX 6900 XTAMD Radeon HD 7770 GHz Edition
Base ClockDifferent
1825 MHz
N/A
Game ClockDifferent
2015 MHz
N/A
Boost ClockDifferent
2250 MHz
N/A
Memory ClockDifferent
2000 MHz16 Gbps effective
1125 MHz4.5 Gbps effective
GPU ClockDifferent
N/A
1000 MHz

Memory

FeatureAMD Radeon RX 6900 XTAMD Radeon HD 7770 GHz Edition
Memory SizeDifferent
16 GB
1024 MB
Memory TypeDifferent
GDDR6
GDDR5
Memory BusDifferent
256 bit
128 bit
BandwidthDifferent
512.0 GB/s
72.00 GB/s

Render Config

FeatureAMD Radeon RX 6900 XTAMD Radeon HD 7770 GHz Edition
Shading UnitsDifferent
5120
640
TMUsDifferent
320
40
ROPsDifferent
128
16
Compute UnitsDifferent
80
10
RT CoresDifferent
80
N/A
L0 CacheDifferent
32 KB per WGP
N/A
L1 CacheDifferent
128 KB per Array
16 KB (per CU)
L2 CacheDifferent
4 MB
256 KB
L3 CacheDifferent
128 MB
N/A

Theoretical Performance

FeatureAMD Radeon RX 6900 XTAMD Radeon HD 7770 GHz Edition
Pixel RateDifferent
288.0 GPixel/s
16.00 GPixel/s
Texture RateDifferent
720.0 GTexel/s
40.00 GTexel/s
FP16 (half)Different
46.08 TFLOPS (2:1)
N/A
FP32 (float)Different
23.04 TFLOPS
1,280.0 GFLOPS
FP64 (double)Different
1,440.0 GFLOPS (1:16)
80.00 GFLOPS (1:16)

Board Design

FeatureAMD Radeon RX 6900 XTAMD Radeon HD 7770 GHz Edition
Slot WidthDifferent
Triple-slot
Dual-slot
LengthDifferent
267 mm10.5 inches
210 mm8.3 inches
HeightDifferent
120 mm4.7 inches
N/A
WidthDifferent
50 mm2 inches
N/A
TDPDifferent
300 W
80 W
Suggested PSUDifferent
700 W
250 W
OutputsDifferent
1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Power ConnectorsDifferent
2x 8-pin
1x 6-pin
Part NumberDifferent
102-D412
N/A
Board NumberDifferent
109-D412A7-00_03
109-C44157-00C, C468

Graphics Features

FeatureAMD Radeon RX 6900 XTAMD Radeon HD 7770 GHz Edition
DirectXDifferent
12 Ultimate (12_2)
12 (11_1)
OpenGL
4.6
4.6
OpenCLDifferent
2.1
2.1 (1.2)
VulkanDifferent
1.3
1.2.170
Shader ModelDifferent
6.8
6.5 (5.1)

Comparison Summary

7
Specifications Compared
8
Feature Categories
57
Detailed Features

More Comparisons with AMD Radeon RX 6900 XT

Compare AMD Radeon RX 6900 XT with other GPUs of similar performance

AMD Radeon RX 6900 XT vs GeForce RTX 4070 Ti

GeForce RTX 4070 Ti Performance113%

GeForce RTX 4070 Ti is 13% faster than AMD Radeon RX 6900 XT

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AMD Radeon RX 6900 XT vs GeForce RTX 5070

GeForce RTX 5070 Performance112%

GeForce RTX 5070 is 12% faster than AMD Radeon RX 6900 XT

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AMD Radeon RX 6900 XT vs GeForce RTX 3090

GeForce RTX 3090 Performance111%

GeForce RTX 3090 is 11% faster than AMD Radeon RX 6900 XT

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AMD Radeon RX 6900 XT vs GeForce RTX 3080 Ti

GeForce RTX 3080 Ti Performance109%

GeForce RTX 3080 Ti is 9% faster than AMD Radeon RX 6900 XT

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AMD Radeon RX 6900 XT vs GeForce RTX 4070 SUPER

GeForce RTX 4070 SUPER Performance106%

GeForce RTX 4070 SUPER is 6% faster than AMD Radeon RX 6900 XT

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AMD Radeon RX 6900 XT vs Radeon RX 7900 GRE

Radeon RX 7900 GRE Performance104%

Radeon RX 7900 GRE is 4% faster than AMD Radeon RX 6900 XT

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More Comparisons with AMD Radeon HD 7770 GHz Edition

Compare AMD Radeon HD 7770 GHz Edition with other GPUs of similar performance

AMD Radeon HD 7770 GHz Edition vs GeForce GTX 650 Ti

GeForce GTX 650 Ti Performance119%

GeForce GTX 650 Ti is 19% faster than AMD Radeon HD 7770 GHz Edition

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AMD Radeon HD 7770 GHz Edition vs Radeon HD 5850

Radeon HD 5850 Performance117%

Radeon HD 5850 is 17% faster than AMD Radeon HD 7770 GHz Edition

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AMD Radeon HD 7770 GHz Edition vs GeForce GTX 285

GeForce GTX 285 Performance109%

GeForce GTX 285 is 9% faster than AMD Radeon HD 7770 GHz Edition

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AMD Radeon HD 7770 GHz Edition vs Radeon HD 6850

Radeon HD 6850 Performance107%

Radeon HD 6850 is 7% faster than AMD Radeon HD 7770 GHz Edition

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AMD Radeon HD 7770 GHz Edition vs GeForce GTX 280

GeForce GTX 280 Performance100%

GeForce GTX 280 is 0% slower than AMD Radeon HD 7770 GHz Edition

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AMD Radeon HD 7770 GHz Edition vs Radeon HD 7770 GHz Edition

Radeon HD 7770 GHz Edition Performance100%

Radeon HD 7770 GHz Edition is 0% slower than AMD Radeon HD 7770 GHz Edition

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