Radeon R9 290X and Radeon HD 7660D - video card comparison
Passmark - benchmark score Radeon R9 290X vs Radeon HD 7660D
Radeon R9 290X
7648
Radeon HD 7660D
518
Radeon R9 290X
Radeon HD 7660D
Architecture
GCN (2011−2017)
Terascale 3 (2010−2013)
GPU code name
Hawaii XT
Trinity
Market segment
Desktop
Desktop
Release date
October 2013
September 2012
Bus support
PCIe 3.0
-
Interface
PCIe 3.0 x16
IGP
Supplementary power connectors
1 x 6-pin + 1 x 8-pin
-
Boost clock speed
947 MHz
800 MHz
Core clock speed
-
633 MHz
Floating-point performance
5,632 gflops
-
Manufacturing process technology
28 nm
32 nm
Number of transistors
6,200 million
1,303 million
Pipelines / CUDA cores
2816
384
Power consumption (TDP)
250 Watt
100 Watt
Texture fill rate
176.0
19.20
Memory type
GDDR5
System Shared
Maximum RAM amount
4 GB
System Shared
Memory bus width
512 Bit
System Shared
Memory clock speed
1250 MHz
System Shared
Memory bandwidth
320 GB/s
-
Shared memory
-
+
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
No outputs
Eyefinity
+
-
HDMI
+
-
DisplayPort support
+
-
DirectX
DirectX® 12
11.2 (11_0)
Mantle
-
-
OpenCL
2.0
1.2
OpenGL
4.6
4.4
Shader Model
6.3
5.0
Vulkan
+
N/A
AppAcceleration
+
-
CrossFire
1
-
DDMA audio
+
-
Enduro
-
-
FreeSync
1
-
HD3D
+
-
LiquidVR
1
-
PowerTune
-
-
TressFX
1
-
TrueAudio
+
-
UVD
+
-
ZeroCore
-
-