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GPU Comparison

Side-by-side comparison of specifications and performance

Performance Comparison

NVIDIA GeForce GT 640

21%
21%

AMD Radeon R9 380

472%
472%
AMD Radeon R9 380 is approximately 451% faster

Technical Specifications

SpecificationNVIDIA GeForce GT 640AMD Radeon R9 380
Graphics ProcessorDifferent
GK107
Antigua
CoresDifferent
384
1792
TMUsDifferent
32
112
ROPsDifferent
16
32
Memory Size
2 GB
2 GB
Memory TypeDifferent
DDR3
GDDR5
Bus WidthDifferent
128 bit
256 bit

Graphics Processor

FeatureNVIDIA GeForce GT 640AMD Radeon R9 380
GPU NameDifferent
GK107
Antigua
GPU VariantDifferent
GK107-300-A2
Antigua PRO(215-0877000)
ArchitectureDifferent
Kepler
GCN 3.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
TransistorsDifferent
1,270 million
5,000 million
DensityDifferent
10.8M / mm²
13.7M / mm²
Die SizeDifferent
118 mm²
366 mm²
Chip PackageDifferent
BGA-908
N/A

Graphics Card

FeatureNVIDIA GeForce GT 640AMD Radeon R9 380
Release DateDifferent
Jun 5th, 2012
Jun 18th, 2015
GenerationDifferent
GeForce 600
Pirate Islands(R9 300)
PredecessorDifferent
GeForce 500
Volcanic Islands
SuccessorDifferent
GeForce 700
Arctic Islands
Production
End-of-life
End-of-life
Launch PriceDifferent
99 USD
199 USD
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
ReviewsDifferent
8 in our database
39 in our database

Clock Speeds

FeatureNVIDIA GeForce GT 640AMD Radeon R9 380
GPU ClockDifferent
902 MHz
970 MHz
Memory ClockDifferent
891 MHz1782 Mbps effective
1375 MHz5.5 Gbps effective

Memory

FeatureNVIDIA GeForce GT 640AMD Radeon R9 380
Memory Size
2 GB
2 GB
Memory TypeDifferent
DDR3
GDDR5
Memory BusDifferent
128 bit
256 bit
BandwidthDifferent
28.51 GB/s
176.0 GB/s

Render Config

FeatureNVIDIA GeForce GT 640AMD Radeon R9 380
Shading UnitsDifferent
384
1792
TMUsDifferent
32
112
ROPsDifferent
16
32
SMX CountDifferent
2
N/A
L1 CacheDifferent
16 KB (per SMX)
16 KB (per CU)
L2 CacheDifferent
256 KB
512 KB
Compute UnitsDifferent
N/A
28

Theoretical Performance

FeatureNVIDIA GeForce GT 640AMD Radeon R9 380
Pixel RateDifferent
7.216 GPixel/s
31.04 GPixel/s
Texture RateDifferent
28.86 GTexel/s
108.6 GTexel/s
FP32 (float)Different
692.7 GFLOPS
3.476 TFLOPS
FP64 (double)Different
28.86 GFLOPS (1:24)
217.3 GFLOPS (1:16)
FP16 (half)Different
N/A
3.476 TFLOPS (1:1)

Board Design

FeatureNVIDIA GeForce GT 640AMD Radeon R9 380
Slot WidthDifferent
Single-slot
Dual-slot
LengthDifferent
145 mm5.7 inches
221 mm8.7 inches
TDPDifferent
65 W
190 W
Suggested PSUDifferent
250 W
450 W
OutputsDifferent
1x DVI1x HDMI 1.4a1x DisplayPort 1.2
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power ConnectorsDifferent
None
2x 6-pin
Board NumberDifferent
P2011 SKU 0
C766
HeightDifferent
N/A
111 mm4.4 inches

Graphics Features

FeatureNVIDIA GeForce GT 640AMD Radeon R9 380
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
3.0
N/A
Shader ModelDifferent
6.5 (5.1)
6.5

Comparison Summary

7
Specifications Compared
8
Feature Categories
49
Detailed Features

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