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GPU Comparison

Side-by-side comparison of specifications and performance

AMD Radeon RX 6700 XT

AMD Radeon RX 6700 XT

AMD Radeon HD 6990

AMD Radeon HD 6990

Performance Comparison

AMD Radeon RX 6700 XT

377%
377%

AMD Radeon HD 6990

27%
27%
AMD Radeon RX 6700 XT is approximately 350% faster

Technical Specifications

SpecificationAMD Radeon RX 6700 XTAMD Radeon HD 6990
Graphics ProcessorDifferent
Navi 22
Antilles x2
CoresDifferent
2560
1536 x2
TMUsDifferent
160
96 x2
ROPsDifferent
64
32 x2
Memory SizeDifferent
12 GB
2 GB x2
Memory TypeDifferent
GDDR6
GDDR5
Bus WidthDifferent
192 bit
256 bit x2

Graphics Processor

FeatureAMD Radeon RX 6700 XTAMD Radeon HD 6990
GPU NameDifferent
Navi 22
Antilles
GPU VariantDifferent
Navi 22 XT(215-127000006)
Antilles XT(215-0807027)
ArchitectureDifferent
RDNA 2.0
TeraScale 3
Foundry
TSMC
TSMC
Process SizeDifferent
7 nm
40 nm
TransistorsDifferent
17,200 million
2,640 million
DensityDifferent
51.3M / mm²
6.8M / mm²
Die SizeDifferent
335 mm²
389 mm²
Chip PackageDifferent
BGA-1701
N/A

Graphics Card

FeatureAMD Radeon RX 6700 XTAMD Radeon HD 6990
Release DateDifferent
Mar 3rd, 2021
Mar 8th, 2011
AvailabilityDifferent
Mar 18th, 2021
N/A
GenerationDifferent
Navi II(RX 6000)
Northern Islands(HD 6900)
PredecessorDifferent
Navi
Evergreen
SuccessorDifferent
Navi III
Southern Islands
ProductionDifferent
Active
End-of-life
Launch PriceDifferent
479 USD
699 USD
Current PriceDifferent
Amazon/Newegg
N/A
Bus InterfaceDifferent
PCIe 4.0 x16
PCIe 2.0 x16
ReviewsDifferent
58 in our database
47 in our database

Clock Speeds

FeatureAMD Radeon RX 6700 XTAMD Radeon HD 6990
Base ClockDifferent
2321 MHz
N/A
Game ClockDifferent
2424 MHz
N/A
Boost ClockDifferent
2581 MHz
N/A
Memory ClockDifferent
2000 MHz16 Gbps effective
1250 MHz5 Gbps effective
GPU ClockDifferent
N/A
830 MHz

Memory

FeatureAMD Radeon RX 6700 XTAMD Radeon HD 6990
Memory SizeDifferent
12 GB
2 GB
Memory TypeDifferent
GDDR6
GDDR5
Memory BusDifferent
192 bit
256 bit
BandwidthDifferent
384.0 GB/s
160.0 GB/s

Render Config

FeatureAMD Radeon RX 6700 XTAMD Radeon HD 6990
Shading UnitsDifferent
2560
1536
TMUsDifferent
160
96
ROPsDifferent
64
32
Compute UnitsDifferent
40
24
RT CoresDifferent
40
N/A
L0 CacheDifferent
32 KB per WGP
N/A
L1 CacheDifferent
128 KB per Array
8 KB (per CU)
L2 CacheDifferent
3 MB
512 KB
L3 CacheDifferent
96 MB
N/A

Theoretical Performance

FeatureAMD Radeon RX 6700 XTAMD Radeon HD 6990
Pixel RateDifferent
165.2 GPixel/s
26.56 GPixel/s
Texture RateDifferent
413.0 GTexel/s
79.68 GTexel/s
FP16 (half)Different
26.43 TFLOPS (2:1)
N/A
FP32 (float)Different
13.21 TFLOPS
2.550 TFLOPS
FP64 (double)Different
825.9 GFLOPS (1:16)
637.4 GFLOPS (1:4)

Board Design

FeatureAMD Radeon RX 6700 XTAMD Radeon HD 6990
Slot Width
Dual-slot
Dual-slot
LengthDifferent
267 mm10.5 inches
310 mm12.2 inches
HeightDifferent
110 mm4.3 inches
115 mm4.5 inches
Width
40 mm1.6 inches
40 mm1.6 inches
TDPDifferent
230 W
375 W
Suggested PSUDifferent
550 W
750 W
OutputsDifferent
1x HDMI 2.13x DisplayPort 1.4a
1x DVI4x mini-DisplayPort 1.2
Power ConnectorsDifferent
1x 6-pin + 1x 8-pin
2x 8-pin
Board NumberDifferent
109-D512A7-00_02
109-C20647-00

Graphics Features

FeatureAMD Radeon RX 6700 XTAMD Radeon HD 6990
DirectXDifferent
12 Ultimate (12_2)
11.2 (11_0)
OpenGLDifferent
4.6
4.4
OpenCLDifferent
2.1
1.2
VulkanDifferent
1.3
N/A
Shader ModelDifferent
6.8
5.0

Comparison Summary

7
Specifications Compared
8
Feature Categories
56
Detailed Features

More Comparisons with AMD Radeon RX 6700 XT

Compare AMD Radeon RX 6700 XT with other GPUs of similar performance

AMD Radeon RX 6700 XT vs Radeon RX 6800

Radeon RX 6800 Performance120%

Radeon RX 6800 is 20% faster than AMD Radeon RX 6700 XT

Compare Detailed Specs

AMD Radeon RX 6700 XT vs Radeon RX 9060 XT 8 GB

Radeon RX 9060 XT 8 GB Performance118%

Radeon RX 9060 XT 8 GB is 18% faster than AMD Radeon RX 6700 XT

Compare Detailed Specs

AMD Radeon RX 6700 XT vs GeForce RTX 3070

GeForce RTX 3070 Performance116%

GeForce RTX 3070 is 16% faster than AMD Radeon RX 6700 XT

Compare Detailed Specs

AMD Radeon RX 6700 XT vs GeForce RTX 2080 Ti

GeForce RTX 2080 Ti Performance115%

GeForce RTX 2080 Ti is 15% faster than AMD Radeon RX 6700 XT

Compare Detailed Specs

AMD Radeon RX 6700 XT vs GeForce RTX 4060 Ti 8 GB

GeForce RTX 4060 Ti 8 GB Performance115%

GeForce RTX 4060 Ti 8 GB is 15% faster than AMD Radeon RX 6700 XT

Compare Detailed Specs

AMD Radeon RX 6700 XT vs GeForce RTX 5060

GeForce RTX 5060 Performance113%

GeForce RTX 5060 is 13% faster than AMD Radeon RX 6700 XT

Compare Detailed Specs

More Comparisons with AMD Radeon HD 6990

Compare AMD Radeon HD 6990 with other GPUs of similar performance

AMD Radeon HD 6990 vs GeForce GTX 1650

GeForce GTX 1650 Performance119%

GeForce GTX 1650 is 19% faster than AMD Radeon HD 6990

Compare Detailed Specs

AMD Radeon HD 6990 vs Radeon RX 6400

Radeon RX 6400 Performance117%

Radeon RX 6400 is 17% faster than AMD Radeon HD 6990

Compare Detailed Specs

AMD Radeon HD 6990 vs Arc A380

Arc A380 Performance115%

Arc A380 is 15% faster than AMD Radeon HD 6990

Compare Detailed Specs

AMD Radeon HD 6990 vs GeForce GTX 780

GeForce GTX 780 Performance115%

GeForce GTX 780 is 15% faster than AMD Radeon HD 6990

Compare Detailed Specs

AMD Radeon HD 6990 vs Radeon HD 7970 GHz Edition

Radeon HD 7970 GHz Edition Performance104%

Radeon HD 7970 GHz Edition is 4% faster than AMD Radeon HD 6990

Compare Detailed Specs

AMD Radeon HD 6990 vs GeForce GTX 590

GeForce GTX 590 Performance104%

GeForce GTX 590 is 4% faster than AMD Radeon HD 6990

Compare Detailed Specs
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