Radeon HD 7870 and Radeon HD 8690M - video card comparison
Passmark - benchmark score Radeon HD 7870 vs Radeon HD 8690M
Radeon HD 7870
4779
Radeon HD 8690M
1014
Radeon HD 7870
Radeon HD 8690M
Architecture
GCN (2011−2017)
GCN (2011−2017)
GPU code name
Pitcairn XT
Sun
Market segment
Desktop
Laptop
Release date
March 2012
November 2012
Interface
PCIe 3.0 x16
PCIe 3.0 x8
Supplementary power connectors
2x 6-pin
-
Boost clock speed
-
825 MHz
Core clock speed
1000 MHz
775 MHz
Floating-point performance
-
528.0 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
2800 Million
690 million
Pipelines / CUDA cores
1280
384
Power consumption (TDP)
175 Watt
-
Texture fill rate
80.00
16.50
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
1 GB
Memory bus width
256 Bit
64 Bit
Memory clock speed
4800 MHz
4500 MHz
Memory bandwidth
153.6 GB/s
32 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 2x mini-DisplayPort
No outputs
Eyefinity
+
-
HDMI
+
-
DirectX
12 (11_1)
12 (11_1)
OpenCL
1.2
1.2
OpenGL
4.6
4.6
Shader Model
5.1
5.1
Vulkan
1.2.131
1.2.131