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GPU Comparison

Side-by-side comparison of specifications and performance

Performance Comparison

NVIDIA GeForce GTX 650 Ti

83%
83%

ATI Radeon HD 4870 X2

120%
120%
ATI Radeon HD 4870 X2 is approximately 37% faster

Technical Specifications

SpecificationNVIDIA GeForce GTX 650 TiATI Radeon HD 4870 X2
Graphics ProcessorDifferent
GK106S
R700 x2
CoresDifferent
768
800 x2
TMUsDifferent
64
40 x2
ROPsDifferent
16
16 x2
Memory SizeDifferent
1024 MB
1024 MB x2
Memory Type
GDDR5
GDDR5
Bus WidthDifferent
128 bit
256 bit x2

Graphics Processor

FeatureNVIDIA GeForce GTX 650 TiATI Radeon HD 4870 X2
GPU NameDifferent
GK106S
R700
GPU VariantDifferent
GK106-220-A1
R700 XT(215-0669045)
ArchitectureDifferent
Kepler
TeraScale
Foundry
TSMC
TSMC
Process SizeDifferent
28 nm
55 nm
TransistorsDifferent
2,540 million
956 million
DensityDifferent
11.5M / mm²
3.7M / mm²
Die SizeDifferent
221 mm²
256 mm²
Chip PackageDifferent
BGA-908
N/A

Graphics Card

FeatureNVIDIA GeForce GTX 650 TiATI Radeon HD 4870 X2
Release DateDifferent
Oct 9th, 2012
Aug 12th, 2008
GenerationDifferent
GeForce 600
Radeon R700(HD 4800)
PredecessorDifferent
GeForce 500
Radeon R600
SuccessorDifferent
GeForce 700
Evergreen
Production
End-of-life
End-of-life
Launch PriceDifferent
149 USD
550 USD
Bus InterfaceDifferent
PCIe 3.0 x16
PCIe 2.0 x16
ReviewsDifferent
62 in our database
79 in our database

Clock Speeds

FeatureNVIDIA GeForce GTX 650 TiATI Radeon HD 4870 X2
GPU ClockDifferent
928 MHz
750 MHz
Memory ClockDifferent
1350 MHz5.4 Gbps effective
900 MHz3.6 Gbps effective

Memory

FeatureNVIDIA GeForce GTX 650 TiATI Radeon HD 4870 X2
Memory Size
1024 MB
1024 MB
Memory Type
GDDR5
GDDR5
Memory BusDifferent
128 bit
256 bit
BandwidthDifferent
86.40 GB/s
115.2 GB/s

Render Config

FeatureNVIDIA GeForce GTX 650 TiATI Radeon HD 4870 X2
Shading UnitsDifferent
768
800
TMUsDifferent
64
40
ROPs
16
16
SMX CountDifferent
4
N/A
L1 CacheDifferent
16 KB (per SMX)
16 KB (per CU)
L2 Cache
256 KB
256 KB
Compute UnitsDifferent
N/A
10

Theoretical Performance

FeatureNVIDIA GeForce GTX 650 TiATI Radeon HD 4870 X2
Pixel RateDifferent
14.85 GPixel/s
12.00 GPixel/s
Texture RateDifferent
59.39 GTexel/s
30.00 GTexel/s
FP32 (float)Different
1,425.4 GFLOPS
1,200.0 GFLOPS
FP64 (double)Different
59.39 GFLOPS (1:24)
240.0 GFLOPS (1:5)

Board Design

FeatureNVIDIA GeForce GTX 650 TiATI Radeon HD 4870 X2
Slot WidthDifferent
Single-slot
Dual-slot
LengthDifferent
145 mm5.7 inches
267 mm10.5 inches
TDPDifferent
110 W
286 W
Suggested PSUDifferent
300 W
600 W
OutputsDifferent
2x DVI1x mini-HDMI 1.4a
2x DVI1x S-Video
Power ConnectorsDifferent
1x 6-pin
1x 6-pin + 1x 8-pin
Board NumberDifferent
P2010 SKU 15
109-B50937-00
HeightDifferent
N/A
111 mm4.4 inches
WidthDifferent
N/A
38 mm1.5 inches

Graphics Features

FeatureNVIDIA GeForce GTX 650 TiATI Radeon HD 4870 X2
DirectXDifferent
12 (11_0)
10.1 (10_1)
OpenGLDifferent
4.6
3.3
OpenCLDifferent
3.0
1.1
VulkanDifferent
1.2.175
N/A
CUDADifferent
3.0
N/A
Shader ModelDifferent
6.5 (5.1)
4.1

Comparison Summary

7
Specifications Compared
8
Feature Categories
49
Detailed Features

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