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GPU Comparison

Side-by-side comparison of specifications and performance

Performance Comparison

AMD Radeon RX 7900 GRE

788%
788%

AMD Radeon R9 270X

13%
13%
AMD Radeon RX 7900 GRE is approximately 775% faster

Technical Specifications

SpecificationAMD Radeon RX 7900 GREAMD Radeon R9 270X
Graphics ProcessorDifferent
Navi 31
Curacao
CoresDifferent
5120
1280
TMUsDifferent
320
80
ROPsDifferent
160
32
Memory SizeDifferent
16 GB
2 GB
Memory TypeDifferent
GDDR6
GDDR5
Bus Width
256 bit
256 bit

Graphics Processor

FeatureAMD Radeon RX 7900 GREAMD Radeon R9 270X
GPU NameDifferent
Navi 31
Curacao
CodenameDifferent
Plum Bonito
N/A
GPU VariantDifferent
Navi 31 XL(215-145000206)
Curacao XT(215-0848004)
ArchitectureDifferent
RDNA 3.0
GCN 1.0
Foundry
TSMC
TSMC
Process SizeDifferent
5 nm
28 nm
MCD ProcessDifferent
6 nm
N/A
Process TypeDifferent
N5 / N6 FinFET
N/A
TransistorsDifferent
57,700 million
2,800 million
GCD TransistorsDifferent
45,400 million
N/A
MCD TransistorsDifferent
2,050 million x6
N/A
DensityDifferent
109.1M / mm²
13.2M / mm²
GCD DensityDifferent
150.2M / mm²
N/A
MCD DensityDifferent
54.64M / mm²
N/A
Die SizeDifferent
529 mm²
212 mm²
GCD Die SizeDifferent
304.35 mm²
N/A
MCD Die SizeDifferent
37.52 mm² x6
N/A
Chip PackageDifferent
MCM
FCBGA-1737

Graphics Card

FeatureAMD Radeon RX 7900 GREAMD Radeon R9 270X
Release DateDifferent
Jul 27th, 2023
Oct 8th, 2013
GenerationDifferent
Navi III(RX 7000)
Volcanic Islands(R9 200)
PredecessorDifferent
Navi II
Sea Islands
SuccessorDifferent
Navi IV
Pirate Islands
ProductionDifferent
Active
End-of-life
Launch PriceDifferent
549 USD
199 USD
Current PriceDifferent
Amazon/Newegg
N/A
Bus InterfaceDifferent
PCIe 4.0 x16
PCIe 3.0 x16
ReviewsDifferent
34 in our database
90 in our database

Clock Speeds

FeatureAMD Radeon RX 7900 GREAMD Radeon R9 270X
Base ClockDifferent
1287 MHz
1000 MHz
Shader ClockDifferent
1880 MHz
N/A
Game ClockDifferent
1880 MHz
N/A
Boost ClockDifferent
2245 MHz
1050 MHz
Memory ClockDifferent
2250 MHz18 Gbps effective
1400 MHz5.6 Gbps effective

Memory

FeatureAMD Radeon RX 7900 GREAMD Radeon R9 270X
Memory SizeDifferent
16 GB
2 GB
Memory TypeDifferent
GDDR6
GDDR5
Memory Bus
256 bit
256 bit
BandwidthDifferent
576.0 GB/s
179.2 GB/s

Render Config

FeatureAMD Radeon RX 7900 GREAMD Radeon R9 270X
Shading UnitsDifferent
5120
1280
TMUsDifferent
320
80
ROPsDifferent
160
32
Compute UnitsDifferent
80
20
Matrix CoresDifferent
160
N/A
RT CoresDifferent
80
N/A
L0 CacheDifferent
64 KB per WGP
N/A
L1 CacheDifferent
256 KB per Array
16 KB (per CU)
L2 CacheDifferent
6 MB
512 KB
L3 CacheDifferent
64 MB
N/A

Theoretical Performance

FeatureAMD Radeon RX 7900 GREAMD Radeon R9 270X
Pixel RateDifferent
359.2 GPixel/s
33.60 GPixel/s
Texture RateDifferent
718.4 GTexel/s
84.00 GTexel/s
FP16 (half)Different
91.96 TFLOPS (2:1)
N/A
FP32 (float)Different
45.98 TFLOPS
2.688 TFLOPS
FP64 (double)Different
1,436.8 GFLOPS (1:32)
168.0 GFLOPS (1:16)

Board Design

FeatureAMD Radeon RX 7900 GREAMD Radeon R9 270X
Slot Width
Dual-slot
Dual-slot
LengthDifferent
276 mm10.9 inches
241 mm9.5 inches
HeightDifferent
110 mm4.3 inches
109 mm4.3 inches
WidthDifferent
51 mm2 inches
36 mm1.4 inches
TDPDifferent
260 W
180 W
Suggested PSUDifferent
600 W
450 W
OutputsDifferent
1x HDMI 2.1a2x DisplayPort 2.11x USB Type-C
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power ConnectorsDifferent
2x 8-pin
2x 6-pin
Board NumberDifferent
109-D712A7-00_02
C631, 109-C63257-00A_02, 109-C63257-12_02

Graphics Features

FeatureAMD Radeon RX 7900 GREAMD Radeon R9 270X
DirectXDifferent
12 Ultimate (12_2)
12 (11_1)
OpenGL
4.6
4.6
OpenCLDifferent
2.2
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
65
Detailed Features

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