Radeon HD 6790 and Radeon R7 512 Cores (Kaveri Desktop) - video card comparison
Radeon HD 6790
Radeon R7 512 Cores (Kaveri Desktop)
Architecture
Terascale 2 (2009−2015)
GCN (2011−2017)
GPU code name
Barts
Kaveri Spectre
Market segment
Desktop
Desktop
Release date
April 2011
January 2014
Interface
PCIe 2.0 x16
-
Supplementary power connectors
2x 6-pin
-
Core clock speed
840 MHz
720 MHz
Floating-point performance
1,344.0 gflops
-
Manufacturing process technology
40 nm
28 nm
Number of transistors
1,700 million
-
Pipelines / CUDA cores
800
512
Power consumption (TDP)
150 Watt
-
Texture fill rate
33.60
-
Memory type
GDDR5
-
Maximum RAM amount
1 GB
-
Memory bus width
256 Bit
-
Memory clock speed
1050 MHz
-
Memory bandwidth
134.4 GB/s
-
Shared memory
-
+
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
-
HDMI
+
-
DirectX
11.2 (11_0)
12 (FL 12_0)
OpenCL
1.2
-
OpenGL
4.4
-
Shader Model
5.0
-
Vulkan
N/A
-