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GPU Comparison

Side-by-side comparison of specifications and performance

Performance Comparison

NVIDIA GeForce GTX 780

157%
157%

AMD Radeon R9 285

79%
79%
NVIDIA GeForce GTX 780 is approximately 78% faster

Technical Specifications

SpecificationNVIDIA GeForce GTX 780AMD Radeon R9 285
Graphics ProcessorDifferent
GK110
Tonga
CoresDifferent
2304
1792
TMUsDifferent
192
112
ROPsDifferent
48
32
Memory SizeDifferent
3 GB
2 GB
Memory Type
GDDR5
GDDR5
Bus WidthDifferent
384 bit
256 bit

Graphics Processor

FeatureNVIDIA GeForce GTX 780AMD Radeon R9 285
GPU NameDifferent
GK110
Tonga
GPU VariantDifferent
GK110-300-A1
Tonga PRO(215-0851128)
ArchitectureDifferent
Kepler
GCN 3.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
TransistorsDifferent
7,080 million
5,000 million
DensityDifferent
12.6M / mm²
13.7M / mm²
Die SizeDifferent
561 mm²
366 mm²
Chip PackageDifferent
BGA-2152
N/A

Graphics Card

FeatureNVIDIA GeForce GTX 780AMD Radeon R9 285
Release DateDifferent
May 23rd, 2013
Sep 2nd, 2014
GenerationDifferent
GeForce 700
Volcanic Islands(R9 200)
PredecessorDifferent
GeForce 600
Sea Islands
SuccessorDifferent
GeForce 900
Pirate Islands
Production
End-of-life
End-of-life
Launch PriceDifferent
649 USD
249 USD
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
ReviewsDifferent
155 in our database
59 in our database

Clock Speeds

FeatureNVIDIA GeForce GTX 780AMD Radeon R9 285
Base ClockDifferent
863 MHz
N/A
Boost ClockDifferent
902 MHz
N/A
Memory ClockDifferent
1502 MHz6 Gbps effective
1375 MHz5.5 Gbps effective
GPU ClockDifferent
N/A
918 MHz

Memory

FeatureNVIDIA GeForce GTX 780AMD Radeon R9 285
Memory SizeDifferent
3 GB
2 GB
Memory Type
GDDR5
GDDR5
Memory BusDifferent
384 bit
256 bit
BandwidthDifferent
288.4 GB/s
176.0 GB/s

Render Config

FeatureNVIDIA GeForce GTX 780AMD Radeon R9 285
Shading UnitsDifferent
2304
1792
TMUsDifferent
192
112
ROPsDifferent
48
32
SMX CountDifferent
12
N/A
L1 CacheDifferent
16 KB (per SMX)
16 KB (per CU)
L2 CacheDifferent
1536 KB
512 KB
Compute UnitsDifferent
N/A
28

Theoretical Performance

FeatureNVIDIA GeForce GTX 780AMD Radeon R9 285
Pixel RateDifferent
43.30 GPixel/s
29.38 GPixel/s
Texture RateDifferent
173.2 GTexel/s
102.8 GTexel/s
FP32 (float)Different
4.156 TFLOPS
3.290 TFLOPS
FP64 (double)Different
173.2 GFLOPS (1:24)
205.6 GFLOPS (1:16)
FP16 (half)Different
N/A
3.290 TFLOPS (1:1)

Board Design

FeatureNVIDIA GeForce GTX 780AMD Radeon R9 285
Slot Width
Dual-slot
Dual-slot
LengthDifferent
267 mm10.5 inches
221 mm8.7 inches
HeightDifferent
111 mm4.4 inches
109 mm4.3 inches
WidthDifferent
38 mm1.5 inches
36 mm1.4 inches
TDPDifferent
250 W
190 W
Suggested PSUDifferent
600 W
450 W
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power ConnectorsDifferent
1x 6-pin + 1x 8-pin
2x 6-pin
Board NumberDifferent
P2083 SKU 20, P2083 SKU 21
C766

Graphics Features

FeatureNVIDIA GeForce GTX 780AMD Radeon R9 285
DirectXDifferent
12 (11_0)
12 (12_0)
OpenGL
4.6
4.6
OpenCLDifferent
3.0
2.1
VulkanDifferent
1.2.175
1.2.170
CUDADifferent
3.5
N/A
Shader ModelDifferent
6.5 (5.1)
6.5

Comparison Summary

7
Specifications Compared
8
Feature Categories
52
Detailed Features

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