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GPU Comparison

Side-by-side comparison of specifications and performance

Performance Comparison

AMD Radeon RX 7900 XTX

906%
906%

AMD Radeon R9 285

11%
11%
AMD Radeon RX 7900 XTX is approximately 895% faster

Technical Specifications

SpecificationAMD Radeon RX 7900 XTXAMD Radeon R9 285
Graphics ProcessorDifferent
Navi 31
Tonga
CoresDifferent
6144
1792
TMUsDifferent
384
112
ROPsDifferent
192
32
Memory SizeDifferent
24 GB
2 GB
Memory TypeDifferent
GDDR6
GDDR5
Bus WidthDifferent
384 bit
256 bit

Graphics Processor

FeatureAMD Radeon RX 7900 XTXAMD Radeon R9 285
GPU NameDifferent
Navi 31
Tonga
CodenameDifferent
Plum Bonito
N/A
GPU VariantDifferent
Navi 31 XTX(215-145000146)
Tonga PRO(215-0851128)
ArchitectureDifferent
RDNA 3.0
GCN 3.0
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
5,000 million
GCD TransistorsDifferent
45,400 million
N/A
MCD TransistorsDifferent
2,050 million x6
N/A
DensityDifferent
109.1M / mm²
13.7M / mm²
GCD DensityDifferent
150.2M / mm²
N/A
MCD DensityDifferent
54.64M / mm²
N/A
Die SizeDifferent
529 mm²
366 mm²
GCD Die SizeDifferent
304.35 mm²
N/A
MCD Die SizeDifferent
37.52 mm² x6
N/A
Chip PackageDifferent
MCM
N/A

Graphics Card

FeatureAMD Radeon RX 7900 XTXAMD Radeon R9 285
Release DateDifferent
Nov 3rd, 2022
Sep 2nd, 2014
AvailabilityDifferent
Dec 13th, 2022
N/A
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
999 USD
249 USD
Current PriceDifferent
Amazon/Newegg
N/A
Bus InterfaceDifferent
PCIe 4.0 x16
PCIe 3.0 x16
ReviewsDifferent
43 in our database
59 in our database

Clock Speeds

FeatureAMD Radeon RX 7900 XTXAMD Radeon R9 285
Base ClockDifferent
1929 MHz
N/A
Shader ClockDifferent
2269 MHz
N/A
Game ClockDifferent
2365 MHz
N/A
Boost ClockDifferent
2498 MHz
N/A
Memory ClockDifferent
2500 MHz20 Gbps effective
1375 MHz5.5 Gbps effective
GPU ClockDifferent
N/A
918 MHz

Memory

FeatureAMD Radeon RX 7900 XTXAMD Radeon R9 285
Memory SizeDifferent
24 GB
2 GB
Memory TypeDifferent
GDDR6
GDDR5
Memory BusDifferent
384 bit
256 bit
BandwidthDifferent
960.0 GB/s
176.0 GB/s

Render Config

FeatureAMD Radeon RX 7900 XTXAMD Radeon R9 285
Shading UnitsDifferent
6144
1792
TMUsDifferent
384
112
ROPsDifferent
192
32
Compute UnitsDifferent
96
28
Matrix CoresDifferent
192
N/A
RT CoresDifferent
96
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
96 MB
N/A

Theoretical Performance

FeatureAMD Radeon RX 7900 XTXAMD Radeon R9 285
Pixel RateDifferent
479.6 GPixel/s
29.38 GPixel/s
Texture RateDifferent
959.2 GTexel/s
102.8 GTexel/s
FP16 (half)Different
122.8 TFLOPS (2:1)
3.290 TFLOPS (1:1)
FP32 (float)Different
61.39 TFLOPS
3.290 TFLOPS
FP64 (double)Different
1.918 TFLOPS (1:32)
205.6 GFLOPS (1:16)

Board Design

FeatureAMD Radeon RX 7900 XTXAMD Radeon R9 285
Slot Width
Dual-slot
Dual-slot
LengthDifferent
287 mm11.3 inches
221 mm8.7 inches
HeightDifferent
110 mm4.3 inches
109 mm4.3 inches
WidthDifferent
51 mm2 inches
36 mm1.4 inches
TDPDifferent
355 W
190 W
Suggested PSUDifferent
750 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-D702A7-00_02
C766

Graphics Features

FeatureAMD Radeon RX 7900 XTXAMD Radeon R9 285
DirectXDifferent
12 Ultimate (12_2)
12 (12_0)
OpenGL
4.6
4.6
OpenCLDifferent
2.2
2.1
VulkanDifferent
1.3
1.2.170
Shader ModelDifferent
6.8
6.5

Comparison Summary

7
Specifications Compared
8
Feature Categories
67
Detailed Features

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