Radeon HD 7870 and HD Graphics 3000 - video card comparison
Passmark - benchmark score Radeon HD 7870 vs HD Graphics 3000
Radeon HD 7870
4779
HD Graphics 3000
262
Radeon HD 7870
HD Graphics 3000
Architecture
GCN (2011−2017)
Gen. 6 Sandy Bridge (2011)
GPU code name
Pitcairn XT
Sandy Bridge
Market segment
Desktop
Laptop
Release date
March 2012
February 2011
Interface
PCIe 3.0 x16
PCIe 1.0 x16
Supplementary power connectors
2x 6-pin
-
Boost clock speed
-
1350 MHz
Core clock speed
1000 MHz
350 MHz
Floating-point performance
-
20.4 gflops
Manufacturing process technology
28 nm
32 nm
Number of transistors
2800 Million
995 million
Pipelines / CUDA cores
1280
12
Power consumption (TDP)
175 Watt
unknown
Texture fill rate
80.00
13.80
Memory type
GDDR5
System Shared
Maximum RAM amount
2 GB
System Shared
Memory bus width
256 Bit
64/128 Bit
Memory clock speed
4800 MHz
System Shared
Memory bandwidth
153.6 GB/s
-
Shared memory
-
+
Display Connectors
1x DVI, 1x HDMI, 2x mini-DisplayPort
No outputs
Eyefinity
+
-
HDMI
+
-
DirectX
12 (11_1)
11.1 (10_1)
OpenCL
1.2
N/A
OpenGL
4.6
3.1
Shader Model
5.1
4.1
Vulkan
1.2.131
N/A