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GPU Comparison

Side-by-side comparison of specifications and performance

AMD Radeon RX 7900 XT

AMD Radeon RX 7900 XT

AMD Radeon HD 7850

AMD Radeon HD 7850

Performance Comparison

AMD Radeon RX 7900 XT

1376%
1376%

AMD Radeon HD 7850

8%
8%
AMD Radeon RX 7900 XT is approximately 1368% faster

Technical Specifications

SpecificationAMD Radeon RX 7900 XTAMD Radeon HD 7850
Graphics ProcessorDifferent
Navi 31
Pitcairn
CoresDifferent
5376
1024
TMUsDifferent
336
64
ROPsDifferent
192
32
Memory SizeDifferent
20 GB
2 GB
Memory TypeDifferent
GDDR6
GDDR5
Bus WidthDifferent
320 bit
256 bit

Graphics Processor

FeatureAMD Radeon RX 7900 XTAMD Radeon HD 7850
GPU NameDifferent
Navi 31
Pitcairn
CodenameDifferent
Plum Bonito
N/A
GPU VariantDifferent
Navi 31 XT(215-145000156)
Pitcairn PRO(215-0828062)
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 XTAMD Radeon HD 7850
Release DateDifferent
Nov 3rd, 2022
Mar 5th, 2012
AvailabilityDifferent
Dec 13th, 2022
N/A
GenerationDifferent
Navi III(RX 7000)
Southern Islands(HD 7800)
PredecessorDifferent
Navi II
Northern Islands
SuccessorDifferent
Navi IV
Sea Islands
ProductionDifferent
Active
End-of-life
Launch PriceDifferent
899 USD
249 USD
Current PriceDifferent
Amazon/Newegg
N/A
Bus InterfaceDifferent
PCIe 4.0 x16
PCIe 3.0 x16
ReviewsDifferent
23 in our database
71 in our database

Clock Speeds

FeatureAMD Radeon RX 7900 XTAMD Radeon HD 7850
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
1200 MHz4.8 Gbps effective
GPU ClockDifferent
N/A
860 MHz

Memory

FeatureAMD Radeon RX 7900 XTAMD Radeon HD 7850
Memory SizeDifferent
20 GB
2 GB
Memory TypeDifferent
GDDR6
GDDR5
Memory BusDifferent
320 bit
256 bit
BandwidthDifferent
800.0 GB/s
153.6 GB/s

Render Config

FeatureAMD Radeon RX 7900 XTAMD Radeon HD 7850
Shading UnitsDifferent
5376
1024
TMUsDifferent
336
64
ROPsDifferent
192
32
Compute UnitsDifferent
84
16
Matrix CoresDifferent
168
N/A
RT CoresDifferent
84
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
80 MB
N/A

Theoretical Performance

FeatureAMD Radeon RX 7900 XTAMD Radeon HD 7850
Pixel RateDifferent
459.6 GPixel/s
27.52 GPixel/s
Texture RateDifferent
804.4 GTexel/s
55.04 GTexel/s
FP16 (half)Different
103.0 TFLOPS (2:1)
N/A
FP32 (float)Different
51.48 TFLOPS
1.761 TFLOPS
FP64 (double)Different
1.609 TFLOPS (1:32)
110.1 GFLOPS (1:16)

Board Design

FeatureAMD Radeon RX 7900 XTAMD Radeon HD 7850
Slot Width
Dual-slot
Dual-slot
LengthDifferent
276 mm10.9 inches
210 mm8.3 inches
HeightDifferent
110 mm4.3 inches
N/A
WidthDifferent
51 mm2 inches
N/A
TDPDifferent
300 W
130 W
Suggested PSUDifferent
700 W
300 W
OutputsDifferent
1x HDMI 2.1a2x DisplayPort 2.11x USB Type-C
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Power ConnectorsDifferent
2x 8-pin
1x 6-pin
Board NumberDifferent
109-D704A7-00_02
109-C40147-00, 109-C40337-00A

Graphics Features

FeatureAMD Radeon RX 7900 XTAMD Radeon HD 7850
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
67
Detailed Features

More Comparisons with AMD Radeon RX 7900 XT

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AMD Radeon RX 7900 XT vs GeForce RTX 4080 SUPER

GeForce RTX 4080 SUPER Performance117%

GeForce RTX 4080 SUPER is 17% faster than AMD Radeon RX 7900 XT

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AMD Radeon RX 7900 XT vs GeForce RTX 4080

GeForce RTX 4080 Performance116%

GeForce RTX 4080 is 16% faster than AMD Radeon RX 7900 XT

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AMD Radeon RX 7900 XT vs Radeon RX 7900 XTX

Radeon RX 7900 XTX Performance116%

Radeon RX 7900 XTX is 16% faster than AMD Radeon RX 7900 XT

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AMD Radeon RX 7900 XT vs GeForce RTX 5070 Ti

GeForce RTX 5070 Ti Performance114%

GeForce RTX 5070 Ti is 14% faster than AMD Radeon RX 7900 XT

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AMD Radeon RX 7900 XT vs Radeon RX 9070 XT

Radeon RX 9070 XT Performance109%

Radeon RX 9070 XT is 9% faster than AMD Radeon RX 7900 XT

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AMD Radeon RX 7900 XT vs Radeon RX 7900 XT

Radeon RX 7900 XT Performance100%

Radeon RX 7900 XT is 0% slower than AMD Radeon RX 7900 XT

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More Comparisons with AMD Radeon HD 7850

Compare AMD Radeon HD 7850 with other GPUs of similar performance

AMD Radeon HD 7850 vs GeForce GTX 950

GeForce GTX 950 Performance120%

GeForce GTX 950 is 20% faster than AMD Radeon HD 7850

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AMD Radeon HD 7850 vs Radeon RX 560

Radeon RX 560 Performance113%

Radeon RX 560 is 13% faster than AMD Radeon HD 7850

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AMD Radeon HD 7850 vs GeForce GTX 570

GeForce GTX 570 Performance111%

GeForce GTX 570 is 11% faster than AMD Radeon HD 7850

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AMD Radeon HD 7850 vs GeForce GTX 660

GeForce GTX 660 Performance111%

GeForce GTX 660 is 11% faster than AMD Radeon HD 7850

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AMD Radeon HD 7850 vs Radeon R7 370

Radeon R7 370 Performance110%

Radeon R7 370 is 10% faster than AMD Radeon HD 7850

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AMD Radeon HD 7850 vs Radeon HD 6970

Radeon HD 6970 Performance106%

Radeon HD 6970 is 6% faster than AMD Radeon HD 7850

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