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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 7970

AMD Radeon HD 7970

Performance Comparison

AMD Radeon RX 6900 XT

611%
611%

AMD Radeon HD 7970

18%
18%
AMD Radeon RX 6900 XT is approximately 593% faster

Technical Specifications

SpecificationAMD Radeon RX 6900 XTAMD Radeon HD 7970
Graphics ProcessorDifferent
Navi 21
Tahiti
CoresDifferent
5120
2048
TMUsDifferent
320
128
ROPsDifferent
128
32
Memory SizeDifferent
16 GB
3 GB
Memory TypeDifferent
GDDR6
GDDR5
Bus WidthDifferent
256 bit
384 bit

Graphics Processor

FeatureAMD Radeon RX 6900 XTAMD Radeon HD 7970
GPU NameDifferent
Navi 21
Tahiti
GPU VariantDifferent
Navi 21 XTX(215-121000167)
Tahiti XT(215-0821060)
ArchitectureDifferent
RDNA 2.0
GCN 1.0
Foundry
TSMC
TSMC
Process SizeDifferent
7 nm
28 nm
TransistorsDifferent
26,800 million
4,313 million
DensityDifferent
51.5M / mm²
12.3M / mm²
Die SizeDifferent
520 mm²
352 mm²
Chip PackageDifferent
BGA-2425
N/A

Graphics Card

FeatureAMD Radeon RX 6900 XTAMD Radeon HD 7970
Release DateDifferent
Oct 28th, 2020
Jan 9th, 2012
AvailabilityDifferent
Dec 8th, 2020
N/A
GenerationDifferent
Navi II(RX 6000)
Southern Islands(HD 7900)
PredecessorDifferent
Navi
Northern Islands
SuccessorDifferent
Navi III
Sea Islands
ProductionDifferent
Active
End-of-life
Launch PriceDifferent
999 USD
549 USD
Current PriceDifferent
Amazon/Newegg
N/A
Bus InterfaceDifferent
PCIe 4.0 x16
PCIe 3.0 x16
ReviewsDifferent
33 in our database
191 in our database
AnnouncedDifferent
N/A
Dec 22nd, 2011

Clock Speeds

FeatureAMD Radeon RX 6900 XTAMD Radeon HD 7970
Base ClockDifferent
1825 MHz
N/A
Game ClockDifferent
2015 MHz
N/A
Boost ClockDifferent
2250 MHz
N/A
Memory ClockDifferent
2000 MHz16 Gbps effective
1375 MHz5.5 Gbps effective
GPU ClockDifferent
N/A
925 MHz

Memory

FeatureAMD Radeon RX 6900 XTAMD Radeon HD 7970
Memory SizeDifferent
16 GB
3 GB
Memory TypeDifferent
GDDR6
GDDR5
Memory BusDifferent
256 bit
384 bit
BandwidthDifferent
512.0 GB/s
264.0 GB/s

Render Config

FeatureAMD Radeon RX 6900 XTAMD Radeon HD 7970
Shading UnitsDifferent
5120
2048
TMUsDifferent
320
128
ROPsDifferent
128
32
Compute UnitsDifferent
80
32
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
768 KB
L3 CacheDifferent
128 MB
N/A

Theoretical Performance

FeatureAMD Radeon RX 6900 XTAMD Radeon HD 7970
Pixel RateDifferent
288.0 GPixel/s
29.60 GPixel/s
Texture RateDifferent
720.0 GTexel/s
118.4 GTexel/s
FP16 (half)Different
46.08 TFLOPS (2:1)
N/A
FP32 (float)Different
23.04 TFLOPS
3.789 TFLOPS
FP64 (double)Different
1,440.0 GFLOPS (1:16)
947.2 GFLOPS (1:4)

Board Design

FeatureAMD Radeon RX 6900 XTAMD Radeon HD 7970
Slot WidthDifferent
Triple-slot
Dual-slot
LengthDifferent
267 mm10.5 inches
275 mm10.8 inches
HeightDifferent
120 mm4.7 inches
111 mm4.4 inches
WidthDifferent
50 mm2 inches
38 mm1.5 inches
TDPDifferent
300 W
250 W
Suggested PSUDifferent
700 W
600 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 + 1x 8-pin
Part NumberDifferent
102-D412
N/A
Board NumberDifferent
109-D412A7-00_03
109-C38637-00

Graphics Features

FeatureAMD Radeon RX 6900 XTAMD Radeon HD 7970
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
58
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

Compare Detailed Specs

More Comparisons with AMD Radeon HD 7970

Compare AMD Radeon HD 7970 with other GPUs of similar performance

AMD Radeon HD 7970 vs Radeon HD 7970 GHz Edition

Radeon HD 7970 GHz Edition Performance113%

Radeon HD 7970 GHz Edition is 13% faster than AMD Radeon HD 7970

Compare Detailed Specs

AMD Radeon HD 7970 vs GeForce GTX 590

GeForce GTX 590 Performance113%

GeForce GTX 590 is 13% faster than AMD Radeon HD 7970

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AMD Radeon HD 7970 vs Radeon R9 280X

Radeon R9 280X Performance111%

Radeon R9 280X is 11% faster than AMD Radeon HD 7970

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AMD Radeon HD 7970 vs Radeon HD 6990

Radeon HD 6990 Performance109%

Radeon HD 6990 is 9% faster than AMD Radeon HD 7970

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AMD Radeon HD 7970 vs GeForce GTX 1050 Ti

GeForce GTX 1050 Ti Performance103%

GeForce GTX 1050 Ti is 3% faster than AMD Radeon HD 7970

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AMD Radeon HD 7970 vs GeForce GTX 680

GeForce GTX 680 Performance101%

GeForce GTX 680 is 1% faster than AMD Radeon HD 7970

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