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GPU Comparison

Side-by-side comparison of specifications and performance

Performance Comparison

AMD Radeon RX 7900 XT

3927%
3927%

AMD Radeon HD 6670

3%
3%
AMD Radeon RX 7900 XT is approximately 3924% faster

Technical Specifications

SpecificationAMD Radeon RX 7900 XTAMD Radeon HD 6670
Graphics ProcessorDifferent
Navi 31
Turks
CoresDifferent
5376
480
TMUsDifferent
336
24
ROPsDifferent
192
8
Memory SizeDifferent
20 GB
1024 MB
Memory TypeDifferent
GDDR6
GDDR5
Bus WidthDifferent
320 bit
128 bit

Graphics Processor

FeatureAMD Radeon RX 7900 XTAMD Radeon HD 6670
GPU NameDifferent
Navi 31
Turks
CodenameDifferent
Plum Bonito
N/A
GPU VariantDifferent
Navi 31 XT(215-145000156)
Turks XT(215-0803000)
ArchitectureDifferent
RDNA 3.0
TeraScale 2
Foundry
TSMC
TSMC
Process SizeDifferent
5 nm
40 nm
MCD ProcessDifferent
6 nm
N/A
Process TypeDifferent
N5 / N6 FinFET
N/A
TransistorsDifferent
57,700 million
716 million
GCD TransistorsDifferent
45,400 million
N/A
MCD TransistorsDifferent
2,050 million x6
N/A
DensityDifferent
109.1M / mm²
6.1M / mm²
GCD DensityDifferent
150.2M / mm²
N/A
MCD DensityDifferent
54.64M / mm²
N/A
Die SizeDifferent
529 mm²
118 mm²
GCD Die SizeDifferent
304.35 mm²
N/A
MCD Die SizeDifferent
37.52 mm² x6
N/A
Chip PackageDifferent
MCM
FCBGA-962

Graphics Card

FeatureAMD Radeon RX 7900 XTAMD Radeon HD 6670
Release DateDifferent
Nov 3rd, 2022
Apr 19th, 2011
AvailabilityDifferent
Dec 13th, 2022
N/A
GenerationDifferent
Navi III(RX 7000)
Northern Islands(HD 6600)
PredecessorDifferent
Navi II
Evergreen
SuccessorDifferent
Navi IV
Southern Islands
ProductionDifferent
Active
End-of-life
Launch PriceDifferent
899 USD
99 USD
Current PriceDifferent
Amazon/Newegg
N/A
Bus InterfaceDifferent
PCIe 4.0 x16
PCIe 2.0 x16
ReviewsDifferent
23 in our database
35 in our database

Clock Speeds

FeatureAMD Radeon RX 7900 XTAMD Radeon HD 6670
Base ClockDifferent
1387 MHz
N/A
Shader ClockDifferent
2025 MHz
N/A
Game ClockDifferent
2025 MHz
N/A
Boost ClockDifferent
2394 MHz
N/A
Memory ClockDifferent
2500 MHz20 Gbps effective
1000 MHz4 Gbps effective
GPU ClockDifferent
N/A
800 MHz

Memory

FeatureAMD Radeon RX 7900 XTAMD Radeon HD 6670
Memory SizeDifferent
20 GB
1024 MB
Memory TypeDifferent
GDDR6
GDDR5
Memory BusDifferent
320 bit
128 bit
BandwidthDifferent
800.0 GB/s
64.00 GB/s

Render Config

FeatureAMD Radeon RX 7900 XTAMD Radeon HD 6670
Shading UnitsDifferent
5376
480
TMUsDifferent
336
24
ROPsDifferent
192
8
Compute UnitsDifferent
84
6
Matrix CoresDifferent
168
N/A
RT CoresDifferent
84
N/A
L0 CacheDifferent
64 KB per WGP
N/A
L1 CacheDifferent
256 KB per Array
8 KB (per CU)
L2 CacheDifferent
6 MB
256 KB
L3 CacheDifferent
80 MB
N/A

Theoretical Performance

FeatureAMD Radeon RX 7900 XTAMD Radeon HD 6670
Pixel RateDifferent
459.6 GPixel/s
6.400 GPixel/s
Texture RateDifferent
804.4 GTexel/s
19.20 GTexel/s
FP16 (half)Different
103.0 TFLOPS (2:1)
N/A
FP32 (float)Different
51.48 TFLOPS
768.0 GFLOPS
FP64 (double)Different
1.609 TFLOPS (1:32)
N/A

Board Design

FeatureAMD Radeon RX 7900 XTAMD Radeon HD 6670
Slot WidthDifferent
Dual-slot
Single-slot
LengthDifferent
276 mm10.9 inches
168 mm6.6 inches
HeightDifferent
110 mm4.3 inches
N/A
WidthDifferent
51 mm2 inches
N/A
TDPDifferent
300 W
66 W
Suggested PSUDifferent
700 W
250 W
OutputsDifferent
1x HDMI 2.1a2x DisplayPort 2.11x USB Type-C
1x DVI1x HDMI 1.3a1x VGA
Power ConnectorsDifferent
2x 8-pin
None
Board NumberDifferent
109-D704A7-00_02
109-C33437-00

Graphics Features

FeatureAMD Radeon RX 7900 XTAMD Radeon HD 6670
DirectXDifferent
12 Ultimate (12_2)
11.2 (11_0)
OpenGLDifferent
4.6
4.4
OpenCLDifferent
2.2
1.2
VulkanDifferent
1.3
N/A
Shader ModelDifferent
6.8
5.0

Comparison Summary

7
Specifications Compared
8
Feature Categories
67
Detailed Features

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