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GeForce 7900 GT and HD Graphics 2500 - video card comparison


GeForce 7900 GT

HD Graphics 2500


Architecture
Curie (2003−2013)
Gen. 7 Ivy Bridge (2011−2012)

GPU code name
G71
Ivy Bridge GT1

Market segment
Desktop
Laptop

Release date
March 2006
April 2012

Interface
PCIe 1.0 x16
PCIe 1.0 x16

Supplementary power connectors
1x 6-pin
-

Boost clock speed
-
1150 MHz

Core clock speed
450 MHz
650 MHz

Floating-point performance
-
13.8 gflops

Manufacturing process technology
90 nm
22 nm

Number of transistors
278 million
392 million

Pipelines / CUDA cores
-
6

Power consumption (TDP)
48 Watt
unknown

Texture fill rate
10.80
6.900

Memory type
GDDR3
System Shared

Maximum RAM amount
256 MB
System Shared

Memory bus width
256 Bit
64/128 Bit

Memory clock speed
1320 MHz
System Shared

Memory bandwidth
42.24 GB/s
-

Shared memory
-
+

Display Connectors
2x DVI, 1x S-Video
No outputs

DirectX
9.0c (9_3)
11.1 (11_0)

OpenCL
N/A
1.2

OpenGL
2.1
4.0

Shader Model
3.0
5.0

Vulkan
N/A
1.1.80