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GPU Comparison

Side-by-side comparison of specifications and performance

Performance Comparison

AMD Radeon R9 380

100%
100%

AMD Radeon HD 7970

113%
113%
AMD Radeon HD 7970 is approximately 13% faster

Technical Specifications

SpecificationAMD Radeon R9 380AMD Radeon HD 7970
Graphics ProcessorDifferent
Antigua
Tahiti
CoresDifferent
1792
2048
TMUsDifferent
112
128
ROPs
32
32
Memory SizeDifferent
2 GB
3 GB
Memory Type
GDDR5
GDDR5
Bus WidthDifferent
256 bit
384 bit

Graphics Processor

FeatureAMD Radeon R9 380AMD Radeon HD 7970
GPU NameDifferent
Antigua
Tahiti
GPU VariantDifferent
Antigua PRO(215-0877000)
Tahiti XT(215-0821060)
ArchitectureDifferent
GCN 3.0
GCN 1.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
TransistorsDifferent
5,000 million
4,313 million
DensityDifferent
13.7M / mm²
12.3M / mm²
Die SizeDifferent
366 mm²
352 mm²

Graphics Card

FeatureAMD Radeon R9 380AMD Radeon HD 7970
Release DateDifferent
Jun 18th, 2015
Jan 9th, 2012
GenerationDifferent
Pirate Islands(R9 300)
Southern Islands(HD 7900)
PredecessorDifferent
Volcanic Islands
Northern Islands
SuccessorDifferent
Arctic Islands
Sea Islands
Production
End-of-life
End-of-life
Launch PriceDifferent
199 USD
549 USD
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
ReviewsDifferent
39 in our database
191 in our database
AnnouncedDifferent
N/A
Dec 22nd, 2011

Clock Speeds

FeatureAMD Radeon R9 380AMD Radeon HD 7970
GPU ClockDifferent
970 MHz
925 MHz
Memory Clock
1375 MHz5.5 Gbps effective
1375 MHz5.5 Gbps effective

Memory

FeatureAMD Radeon R9 380AMD Radeon HD 7970
Memory SizeDifferent
2 GB
3 GB
Memory Type
GDDR5
GDDR5
Memory BusDifferent
256 bit
384 bit
BandwidthDifferent
176.0 GB/s
264.0 GB/s

Render Config

FeatureAMD Radeon R9 380AMD Radeon HD 7970
Shading UnitsDifferent
1792
2048
TMUsDifferent
112
128
ROPs
32
32
Compute UnitsDifferent
28
32
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 CacheDifferent
512 KB
768 KB

Theoretical Performance

FeatureAMD Radeon R9 380AMD Radeon HD 7970
Pixel RateDifferent
31.04 GPixel/s
29.60 GPixel/s
Texture RateDifferent
108.6 GTexel/s
118.4 GTexel/s
FP16 (half)Different
3.476 TFLOPS (1:1)
N/A
FP32 (float)Different
3.476 TFLOPS
3.789 TFLOPS
FP64 (double)Different
217.3 GFLOPS (1:16)
947.2 GFLOPS (1:4)

Board Design

FeatureAMD Radeon R9 380AMD Radeon HD 7970
Slot Width
Dual-slot
Dual-slot
LengthDifferent
221 mm8.7 inches
275 mm10.8 inches
Height
111 mm4.4 inches
111 mm4.4 inches
TDPDifferent
190 W
250 W
Suggested PSUDifferent
450 W
600 W
OutputsDifferent
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Power ConnectorsDifferent
2x 6-pin
1x 6-pin + 1x 8-pin
Board NumberDifferent
C766
109-C38637-00
WidthDifferent
N/A
38 mm1.5 inches

Graphics Features

FeatureAMD Radeon R9 380AMD Radeon HD 7970
DirectXDifferent
12 (12_0)
12 (11_1)
OpenGL
4.6
4.6
OpenCLDifferent
2.1
2.1 (1.2)
Vulkan
1.2.170
1.2.170
Shader ModelDifferent
6.5
6.5 (5.1)

Comparison Summary

7
Specifications Compared
8
Feature Categories
48
Detailed Features

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