Logo

Radeon HD 3870 X2 and GeForce GT 440 - video card comparison


Passmark - benchmark score Radeon HD 3870 X2 vs GeForce GT 440

Radeon HD 3870 X2
729
GeForce GT 440
793

Radeon HD 3870 X2

GeForce GT 440


Architecture
TeraScale (2005−2013)
Fermi (2010−2014)

GPU code name
R680
GF108

Market segment
Desktop
Desktop

Release date
January 2008
February 2011

Bus support
-
PCI-E 2.0 x 16

Interface
PCIe 2.0 x16
PCIe 2.0 x16

Supplementary power connectors
1x 6-pin + 1x 8-pin
None

Core clock speed
825 MHz
810 MHz

CUDA cores
-
96

Floating-point performance
2x 528.0 gflops
311.04 gflops

Manufacturing process technology
55 nm
40 nm

Number of transistors
666 million
585 million

Pipelines / CUDA cores
320
96

Power consumption (TDP)
165 Watt
65 Watt

Maximum GPU temperature
-
98 °C

Texture fill rate
13.20
13.0 billion/sec

Memory type
GDDR3
DDR3

Maximum RAM amount
512 MB
512 MB GDDR5 or 1 GB

Memory bus width
256 Bit
128 Bit

Memory clock speed
1802 MHz
1600 MHz (GDDR5) or 900 MHz (DDR3)

Memory bandwidth
57.66 GB/s
28.8 (DDR3) – 51.2 (GDDR5)

Standard memory config per GPU
-
1 GB GDDR5 or 2 GB

Display Connectors
2x DVI, 1x S-Video
HDMIVGADual Link DVI

Multi monitor support
-
+

HDMI
-
+

Maximum VGA resolution
-
2048x1536

Audio input for HDMI
-
Internal

DirectX
10.1 (10_1)
12 (11_0)

CUDA
-
+

OpenCL
N/A
1.1

OpenGL
3.3
4.2

Shader Model
4.1
5.1

Vulkan
N/A
N/A