GPU DB

Back to All GPUs

GPU Comparison

Side-by-side comparison of specifications and performance

Performance Comparison

NVIDIA GeForce GT 640

107%
107%

ATI Radeon HD 5670

93%
93%
NVIDIA GeForce GT 640 is approximately 14% faster

Technical Specifications

SpecificationNVIDIA GeForce GT 640ATI Radeon HD 5670
Graphics ProcessorDifferent
GK107
Redwood
CoresDifferent
384
400
TMUsDifferent
32
20
ROPsDifferent
16
8
Memory SizeDifferent
2 GB
1024 MB
Memory TypeDifferent
DDR3
GDDR5
Bus Width
128 bit
128 bit

Graphics Processor

FeatureNVIDIA GeForce GT 640ATI Radeon HD 5670
GPU NameDifferent
GK107
Redwood
GPU VariantDifferent
GK107-300-A2
Redwood XT(215-0757002)
ArchitectureDifferent
Kepler
TeraScale 2
Foundry
TSMC
TSMC
Process SizeDifferent
28 nm
40 nm
TransistorsDifferent
1,270 million
627 million
DensityDifferent
10.8M / mm²
6.0M / mm²
Die SizeDifferent
118 mm²
104 mm²
Chip PackageDifferent
BGA-908
FCBGA-962

Graphics Card

FeatureNVIDIA GeForce GT 640ATI Radeon HD 5670
Release DateDifferent
Jun 5th, 2012
Jan 14th, 2010
GenerationDifferent
GeForce 600
Evergreen(HD 5600)
PredecessorDifferent
GeForce 500
Radeon R700
SuccessorDifferent
GeForce 700
Northern Islands
Production
End-of-life
End-of-life
Launch PriceDifferent
99 USD
119 USD
Bus InterfaceDifferent
PCIe 3.0 x16
PCIe 2.0 x16
ReviewsDifferent
8 in our database
83 in our database

Clock Speeds

FeatureNVIDIA GeForce GT 640ATI Radeon HD 5670
GPU ClockDifferent
902 MHz
775 MHz
Memory ClockDifferent
891 MHz1782 Mbps effective
1000 MHz4 Gbps effective

Memory

FeatureNVIDIA GeForce GT 640ATI Radeon HD 5670
Memory SizeDifferent
2 GB
1024 MB
Memory TypeDifferent
DDR3
GDDR5
Memory Bus
128 bit
128 bit
BandwidthDifferent
28.51 GB/s
64.00 GB/s

Render Config

FeatureNVIDIA GeForce GT 640ATI Radeon HD 5670
Shading UnitsDifferent
384
400
TMUsDifferent
32
20
ROPsDifferent
16
8
SMX CountDifferent
2
N/A
L1 CacheDifferent
16 KB (per SMX)
8 KB (per CU)
L2 Cache
256 KB
256 KB
Compute UnitsDifferent
N/A
5

Theoretical Performance

FeatureNVIDIA GeForce GT 640ATI Radeon HD 5670
Pixel RateDifferent
7.216 GPixel/s
6.200 GPixel/s
Texture RateDifferent
28.86 GTexel/s
15.50 GTexel/s
FP32 (float)Different
692.7 GFLOPS
620.0 GFLOPS
FP64 (double)Different
28.86 GFLOPS (1:24)
N/A

Board Design

FeatureNVIDIA GeForce GT 640ATI Radeon HD 5670
Slot Width
Single-slot
Single-slot
LengthDifferent
145 mm5.7 inches
168 mm6.6 inches
TDPDifferent
65 W
64 W
Suggested PSU
250 W
250 W
OutputsDifferent
1x DVI1x HDMI 1.4a1x DisplayPort 1.2
1x DVI1x HDMI 1.3a1x VGA
Power Connectors
None
None
Board NumberDifferent
P2011 SKU 0
C020
HeightDifferent
N/A
111 mm4.4 inches
WidthDifferent
N/A
20 mm0.8 inches

Graphics Features

FeatureNVIDIA GeForce GT 640ATI Radeon HD 5670
DirectXDifferent
12 (11_0)
11.2 (11_0)
OpenGLDifferent
4.6
4.4
OpenCLDifferent
3.0
1.2
VulkanDifferent
1.2.175
N/A
CUDADifferent
3.0
N/A
Shader ModelDifferent
6.5 (5.1)
5.0

Comparison Summary

7
Specifications Compared
8
Feature Categories
49
Detailed Features

More Comparisons with NVIDIA GeForce GT 640

Compare NVIDIA GeForce GT 640 with other GPUs of similar performance

More Comparisons with ATI Radeon HD 5670

Compare ATI Radeon HD 5670 with other GPUs of similar performance