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GPU Comparison

Side-by-side comparison of specifications and performance

AMD Radeon RX 6800 XT

AMD Radeon RX 6800 XT

AMD Radeon HD 7770 GHz Edition

AMD Radeon HD 7770 GHz Edition

Performance Comparison

AMD Radeon RX 6800 XT

1367%
1367%

AMD Radeon HD 7770 GHz Edition

20%
20%
AMD Radeon RX 6800 XT is approximately 1347% faster

Technical Specifications

SpecificationAMD Radeon RX 6800 XTAMD Radeon HD 7770 GHz Edition
Graphics ProcessorDifferent
Navi 21
Cape Verde
CoresDifferent
4608
640
TMUsDifferent
288
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 6800 XTAMD Radeon HD 7770 GHz Edition
GPU NameDifferent
Navi 21
Cape Verde
GPU VariantDifferent
Navi 21 XT(215-121000177)
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 6800 XTAMD Radeon HD 7770 GHz Edition
Release DateDifferent
Oct 28th, 2020
Feb 15th, 2012
AvailabilityDifferent
Nov 18th, 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
649 USD
159 USD
Current PriceDifferent
Amazon/Newegg
N/A
Bus InterfaceDifferent
PCIe 4.0 x16
PCIe 3.0 x16
ReviewsDifferent
57 in our database
97 in our database

Clock Speeds

FeatureAMD Radeon RX 6800 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 6800 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 6800 XTAMD Radeon HD 7770 GHz Edition
Shading UnitsDifferent
4608
640
TMUsDifferent
288
40
ROPsDifferent
128
16
Compute UnitsDifferent
72
10
RT CoresDifferent
72
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 6800 XTAMD Radeon HD 7770 GHz Edition
Pixel RateDifferent
288.0 GPixel/s
16.00 GPixel/s
Texture RateDifferent
648.0 GTexel/s
40.00 GTexel/s
FP16 (half)Different
41.47 TFLOPS (2:1)
N/A
FP32 (float)Different
20.74 TFLOPS
1,280.0 GFLOPS
FP64 (double)Different
1,296.0 GFLOPS (1:16)
80.00 GFLOPS (1:16)

Board Design

FeatureAMD Radeon RX 6800 XTAMD Radeon HD 7770 GHz Edition
Slot Width
Dual-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-D41205
N/A
Board NumberDifferent
109-D412A7-00_03
109-C44157-00C, C468

Graphics Features

FeatureAMD Radeon RX 6800 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

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Compare AMD Radeon RX 6800 XT with other GPUs of similar performance

AMD Radeon RX 6800 XT vs GeForce RTX 4070 Ti

GeForce RTX 4070 Ti Performance120%

GeForce RTX 4070 Ti is 20% faster than AMD Radeon RX 6800 XT

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AMD Radeon RX 6800 XT vs GeForce RTX 5070

GeForce RTX 5070 Performance119%

GeForce RTX 5070 is 19% faster than AMD Radeon RX 6800 XT

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AMD Radeon RX 6800 XT vs GeForce RTX 3090

GeForce RTX 3090 Performance117%

GeForce RTX 3090 is 17% faster than AMD Radeon RX 6800 XT

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AMD Radeon RX 6800 XT vs GeForce RTX 3080 Ti

GeForce RTX 3080 Ti Performance115%

GeForce RTX 3080 Ti is 15% faster than AMD Radeon RX 6800 XT

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AMD Radeon RX 6800 XT vs GeForce RTX 4070 SUPER

GeForce RTX 4070 SUPER Performance112%

GeForce RTX 4070 SUPER is 12% faster than AMD Radeon RX 6800 XT

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AMD Radeon RX 6800 XT vs Radeon RX 7900 GRE

Radeon RX 7900 GRE Performance110%

Radeon RX 7900 GRE is 10% faster than AMD Radeon RX 6800 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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