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GPU Comparison

Side-by-side comparison of specifications and performance

Performance Comparison

NVIDIA GeForce GTX 1080

337%
337%

AMD Radeon R9 285

40%
40%
NVIDIA GeForce GTX 1080 is approximately 297% faster

Technical Specifications

SpecificationNVIDIA GeForce GTX 1080AMD Radeon R9 285
Graphics ProcessorDifferent
GP104
Tonga
CoresDifferent
2560
1792
TMUsDifferent
160
112
ROPsDifferent
64
32
Memory SizeDifferent
8 GB
2 GB
Memory TypeDifferent
GDDR5X
GDDR5
Bus Width
256 bit
256 bit

Graphics Processor

FeatureNVIDIA GeForce GTX 1080AMD Radeon R9 285
GPU NameDifferent
GP104
Tonga
GPU VariantDifferent
GP104-400-A1
Tonga PRO(215-0851128)
ArchitectureDifferent
Pascal
GCN 3.0
Foundry
TSMC
TSMC
Process SizeDifferent
16 nm
28 nm
TransistorsDifferent
7,200 million
5,000 million
DensityDifferent
22.9M / mm²
13.7M / mm²
Die SizeDifferent
314 mm²
366 mm²
Chip PackageDifferent
BGA-2150
N/A

Graphics Card

FeatureNVIDIA GeForce GTX 1080AMD Radeon R9 285
Release DateDifferent
May 27th, 2016
Sep 2nd, 2014
GenerationDifferent
GeForce 10
Volcanic Islands(R9 200)
PredecessorDifferent
GeForce 900
Sea Islands
SuccessorDifferent
GeForce 20
Pirate Islands
Production
End-of-life
End-of-life
Launch PriceDifferent
599 USD
249 USD
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
ReviewsDifferent
183 in our database
59 in our database

Clock Speeds

FeatureNVIDIA GeForce GTX 1080AMD Radeon R9 285
Base ClockDifferent
1607 MHz
N/A
Boost ClockDifferent
1733 MHz
N/A
Memory ClockDifferent
1251 MHz10 Gbps effective
1375 MHz5.5 Gbps effective
GPU ClockDifferent
N/A
918 MHz

Memory

FeatureNVIDIA GeForce GTX 1080AMD Radeon R9 285
Memory SizeDifferent
8 GB
2 GB
Memory TypeDifferent
GDDR5X
GDDR5
Memory Bus
256 bit
256 bit
BandwidthDifferent
320.3 GB/s
176.0 GB/s

Render Config

FeatureNVIDIA GeForce GTX 1080AMD Radeon R9 285
Shading UnitsDifferent
2560
1792
TMUsDifferent
160
112
ROPsDifferent
64
32
SM CountDifferent
20
N/A
L1 CacheDifferent
48 KB (per SM)
16 KB (per CU)
L2 CacheDifferent
2 MB
512 KB
Compute UnitsDifferent
N/A
28

Theoretical Performance

FeatureNVIDIA GeForce GTX 1080AMD Radeon R9 285
Pixel RateDifferent
110.9 GPixel/s
29.38 GPixel/s
Texture RateDifferent
277.3 GTexel/s
102.8 GTexel/s
FP16 (half)Different
138.6 GFLOPS (1:64)
3.290 TFLOPS (1:1)
FP32 (float)Different
8.873 TFLOPS
3.290 TFLOPS
FP64 (double)Different
277.3 GFLOPS (1:32)
205.6 GFLOPS (1:16)

Board Design

FeatureNVIDIA GeForce GTX 1080AMD Radeon R9 285
Slot Width
Dual-slot
Dual-slot
LengthDifferent
267 mm10.5 inches
221 mm8.7 inches
HeightDifferent
112 mm4.4 inches
109 mm4.3 inches
WidthDifferent
40 mm1.6 inches
36 mm1.4 inches
TDPDifferent
180 W
190 W
Suggested PSU
450 W
450 W
OutputsDifferent
1x DVI1x HDMI 2.03x DisplayPort 1.4a
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power ConnectorsDifferent
1x 8-pin
2x 6-pin
Board NumberDifferent
PG413 SKU 0
C766

Graphics Features

FeatureNVIDIA GeForce GTX 1080AMD Radeon R9 285
DirectXDifferent
12 (12_1)
12 (12_0)
OpenGL
4.6
4.6
OpenCLDifferent
3.0
2.1
VulkanDifferent
1.3
1.2.170
CUDADifferent
6.1
N/A
Shader ModelDifferent
6.8
6.5

Comparison Summary

7
Specifications Compared
8
Feature Categories
52
Detailed Features

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