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GPU Comparison

Side-by-side comparison of specifications and performance

Performance Comparison

AMD Radeon HD 7850

81%
81%

AMD Radeon R9 270X

124%
124%
AMD Radeon R9 270X is approximately 43% faster

Technical Specifications

SpecificationAMD Radeon HD 7850AMD Radeon R9 270X
Graphics ProcessorDifferent
Pitcairn
Curacao
CoresDifferent
1024
1280
TMUsDifferent
64
80
ROPs
32
32
Memory Size
2 GB
2 GB
Memory Type
GDDR5
GDDR5
Bus Width
256 bit
256 bit

Graphics Processor

FeatureAMD Radeon HD 7850AMD Radeon R9 270X
GPU NameDifferent
Pitcairn
Curacao
GPU VariantDifferent
Pitcairn PRO(215-0828062)
Curacao XT(215-0848004)
Architecture
GCN 1.0
GCN 1.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
2,800 million
2,800 million
Density
13.2M / mm²
13.2M / mm²
Die Size
212 mm²
212 mm²
Chip Package
FCBGA-1737
FCBGA-1737

Graphics Card

FeatureAMD Radeon HD 7850AMD Radeon R9 270X
Release DateDifferent
Mar 5th, 2012
Oct 8th, 2013
GenerationDifferent
Southern Islands(HD 7800)
Volcanic Islands(R9 200)
PredecessorDifferent
Northern Islands
Sea Islands
SuccessorDifferent
Sea Islands
Pirate Islands
Production
End-of-life
End-of-life
Launch PriceDifferent
249 USD
199 USD
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
ReviewsDifferent
71 in our database
90 in our database

Clock Speeds

FeatureAMD Radeon HD 7850AMD Radeon R9 270X
GPU ClockDifferent
860 MHz
N/A
Memory ClockDifferent
1200 MHz4.8 Gbps effective
1400 MHz5.6 Gbps effective
Base ClockDifferent
N/A
1000 MHz
Boost ClockDifferent
N/A
1050 MHz

Memory

FeatureAMD Radeon HD 7850AMD Radeon R9 270X
Memory Size
2 GB
2 GB
Memory Type
GDDR5
GDDR5
Memory Bus
256 bit
256 bit
BandwidthDifferent
153.6 GB/s
179.2 GB/s

Render Config

FeatureAMD Radeon HD 7850AMD Radeon R9 270X
Shading UnitsDifferent
1024
1280
TMUsDifferent
64
80
ROPs
32
32
Compute UnitsDifferent
16
20
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
512 KB
512 KB

Theoretical Performance

FeatureAMD Radeon HD 7850AMD Radeon R9 270X
Pixel RateDifferent
27.52 GPixel/s
33.60 GPixel/s
Texture RateDifferent
55.04 GTexel/s
84.00 GTexel/s
FP32 (float)Different
1.761 TFLOPS
2.688 TFLOPS
FP64 (double)Different
110.1 GFLOPS (1:16)
168.0 GFLOPS (1:16)

Board Design

FeatureAMD Radeon HD 7850AMD Radeon R9 270X
Slot Width
Dual-slot
Dual-slot
LengthDifferent
210 mm8.3 inches
241 mm9.5 inches
TDPDifferent
130 W
180 W
Suggested PSUDifferent
300 W
450 W
OutputsDifferent
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power ConnectorsDifferent
1x 6-pin
2x 6-pin
Board NumberDifferent
109-C40147-00, 109-C40337-00A
C631, 109-C63257-00A_02, 109-C63257-12_02
HeightDifferent
N/A
109 mm4.3 inches
WidthDifferent
N/A
36 mm1.4 inches

Graphics Features

FeatureAMD Radeon HD 7850AMD Radeon R9 270X
DirectX
12 (11_1)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
2.1 (1.2)
2.1 (1.2)
Vulkan
1.2.170
1.2.170
Shader Model
6.5 (5.1)
6.5 (5.1)

Comparison Summary

7
Specifications Compared
8
Feature Categories
49
Detailed Features

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