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GPU Comparison

Side-by-side comparison of specifications and performance

Performance Comparison

NVIDIA GeForce GT 440

41%
41%

AMD Radeon HD 6790

245%
245%
AMD Radeon HD 6790 is approximately 204% faster

Technical Specifications

SpecificationNVIDIA GeForce GT 440AMD Radeon HD 6790
Graphics ProcessorDifferent
GF108
Barts
CoresDifferent
96
800
TMUsDifferent
16
40
ROPsDifferent
4
16
Memory Size
1024 MB
1024 MB
Memory TypeDifferent
DDR3
GDDR5
Bus WidthDifferent
128 bit
256 bit

Graphics Processor

FeatureNVIDIA GeForce GT 440AMD Radeon HD 6790
GPU NameDifferent
GF108
Barts
GPU VariantDifferent
GF108-400-A1
Barts LE(215-0798002)
ArchitectureDifferent
Fermi
TeraScale 2
Foundry
TSMC
TSMC
Process Size
40 nm
40 nm
TransistorsDifferent
585 million
1,700 million
DensityDifferent
5.0M / mm²
6.7M / mm²
Die SizeDifferent
116 mm²
255 mm²
Chip PackageDifferent
BGA-973
HFCBGA-1737

Graphics Card

FeatureNVIDIA GeForce GT 440AMD Radeon HD 6790
Release DateDifferent
Feb 1st, 2011
Apr 4th, 2011
GenerationDifferent
GeForce 400
Northern Islands(HD 6700)
PredecessorDifferent
GeForce 200
Evergreen
SuccessorDifferent
GeForce 500
Southern Islands
Production
End-of-life
End-of-life
Launch PriceDifferent
79 USD
149 USD
Bus Interface
PCIe 2.0 x16
PCIe 2.0 x16
ReviewsDifferent
5 in our database
37 in our database

Clock Speeds

FeatureNVIDIA GeForce GT 440AMD Radeon HD 6790
GPU ClockDifferent
810 MHz
840 MHz
Shader ClockDifferent
1620 MHz
N/A
Memory ClockDifferent
900 MHz1800 Mbps effective
1050 MHz4.2 Gbps effective

Memory

FeatureNVIDIA GeForce GT 440AMD Radeon HD 6790
Memory Size
1024 MB
1024 MB
Memory TypeDifferent
DDR3
GDDR5
Memory BusDifferent
128 bit
256 bit
BandwidthDifferent
28.80 GB/s
134.4 GB/s

Render Config

FeatureNVIDIA GeForce GT 440AMD Radeon HD 6790
Shading UnitsDifferent
96
800
TMUsDifferent
16
40
ROPsDifferent
4
16
SM CountDifferent
2
N/A
L1 CacheDifferent
64 KB (per SM)
8 KB (per CU)
L2 CacheDifferent
256 KB
512 KB
Compute UnitsDifferent
N/A
10

Theoretical Performance

FeatureNVIDIA GeForce GT 440AMD Radeon HD 6790
Pixel RateDifferent
3.240 GPixel/s
13.44 GPixel/s
Texture RateDifferent
12.96 GTexel/s
33.60 GTexel/s
FP32 (float)Different
311.0 GFLOPS
1,344.0 GFLOPS
FP64 (double)Different
25.92 GFLOPS (1:12)
N/A

Board Design

FeatureNVIDIA GeForce GT 440AMD Radeon HD 6790
Slot WidthDifferent
Single-slot
Dual-slot
LengthDifferent
145 mm5.7 inches
198 mm7.8 inches
TDPDifferent
65 W
150 W
Suggested PSUDifferent
250 W
450 W
OutputsDifferent
1x DVI1x HDMI 1.3a1x VGA
2x DVI1x HDMI 1.3a1x DisplayPort 1.1
Power ConnectorsDifferent
None
2x 6-pin
Board NumberDifferent
P1071 SKU 0001
C220, 109-C22237-00

Graphics Features

FeatureNVIDIA GeForce GT 440AMD Radeon HD 6790
DirectXDifferent
12 (11_0)
11.2 (11_0)
OpenGLDifferent
4.6
4.4
OpenCLDifferent
1.1
1.2
Vulkan
N/A
N/A
CUDADifferent
2.1
N/A
Shader ModelDifferent
5.1
5.0

Comparison Summary

7
Specifications Compared
8
Feature Categories
48
Detailed Features

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