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GPU Comparison

Side-by-side comparison of specifications and performance

Performance Comparison

AMD Radeon R9 285

99%
99%

AMD Radeon R9 380

101%
101%
AMD Radeon R9 380 is approximately 2% faster

Technical Specifications

SpecificationAMD Radeon R9 285AMD Radeon R9 380
Graphics ProcessorDifferent
Tonga
Antigua
Cores
1792
1792
TMUs
112
112
ROPs
32
32
Memory Size
2 GB
2 GB
Memory Type
GDDR5
GDDR5
Bus Width
256 bit
256 bit

Graphics Processor

FeatureAMD Radeon R9 285AMD Radeon R9 380
GPU NameDifferent
Tonga
Antigua
GPU VariantDifferent
Tonga PRO(215-0851128)
Antigua PRO(215-0877000)
Architecture
GCN 3.0
GCN 3.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
5,000 million
5,000 million
Density
13.7M / mm²
13.7M / mm²
Die Size
366 mm²
366 mm²

Graphics Card

FeatureAMD Radeon R9 285AMD Radeon R9 380
Release DateDifferent
Sep 2nd, 2014
Jun 18th, 2015
GenerationDifferent
Volcanic Islands(R9 200)
Pirate Islands(R9 300)
PredecessorDifferent
Sea Islands
Volcanic Islands
SuccessorDifferent
Pirate Islands
Arctic 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
59 in our database
39 in our database

Clock Speeds

FeatureAMD Radeon R9 285AMD Radeon R9 380
GPU ClockDifferent
918 MHz
970 MHz
Memory Clock
1375 MHz5.5 Gbps effective
1375 MHz5.5 Gbps effective

Memory

FeatureAMD Radeon R9 285AMD Radeon R9 380
Memory Size
2 GB
2 GB
Memory Type
GDDR5
GDDR5
Memory Bus
256 bit
256 bit
Bandwidth
176.0 GB/s
176.0 GB/s

Render Config

FeatureAMD Radeon R9 285AMD Radeon R9 380
Shading Units
1792
1792
TMUs
112
112
ROPs
32
32
Compute Units
28
28
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
512 KB
512 KB

Theoretical Performance

FeatureAMD Radeon R9 285AMD Radeon R9 380
Pixel RateDifferent
29.38 GPixel/s
31.04 GPixel/s
Texture RateDifferent
102.8 GTexel/s
108.6 GTexel/s
FP16 (half)Different
3.290 TFLOPS (1:1)
3.476 TFLOPS (1:1)
FP32 (float)Different
3.290 TFLOPS
3.476 TFLOPS
FP64 (double)Different
205.6 GFLOPS (1:16)
217.3 GFLOPS (1:16)

Board Design

FeatureAMD Radeon R9 285AMD Radeon R9 380
Slot Width
Dual-slot
Dual-slot
Length
221 mm8.7 inches
221 mm8.7 inches
HeightDifferent
109 mm4.3 inches
111 mm4.4 inches
WidthDifferent
36 mm1.4 inches
N/A
TDP
190 W
190 W
Suggested PSU
450 W
450 W
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
2x 6-pin
2x 6-pin
Board Number
C766
C766

Graphics Features

FeatureAMD Radeon R9 285AMD Radeon R9 380
DirectX
12 (12_0)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
2.1
2.1
Vulkan
1.2.170
1.2.170
Shader Model
6.5
6.5

Comparison Summary

7
Specifications Compared
8
Feature Categories
47
Detailed Features

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