Radeon HD 4890 and Radeon HD 6570 - video card comparison
Passmark - benchmark score Radeon HD 4890 vs Radeon HD 6570
Radeon HD 4890
1552
Radeon HD 6570
572
Radeon HD 4890
Radeon HD 6570
Architecture
TeraScale (2005−2013)
TeraScale 2 (2009−2015)
GPU code name
RV790
Turks
Market segment
Desktop
Desktop
Release date
April 2009
April 2011
Bus support
-
PCIe 2.1 x16
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
2x 6-pin
None
Boost clock speed
-
650 MHz
Core clock speed
850 MHz
-
Floating-point performance
1,360.0 gflops
624.0 gflops
Manufacturing process technology
55 nm
40 nm
Number of transistors
959 million
716 million
Pipelines / CUDA cores
800
480
Power consumption (TDP)
190 Watt
40 Watt
Texture fill rate
34.00
15.60
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
4 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
3900 MHz
900 MHz
Memory bandwidth
124.8 GB/s
28.8 GB/s
Display Connectors
2x DVI, 1x S-Video
1x DVI, 1x HDMI, 1x VGA
Eyefinity
-
1
HDMI
-
+
DisplayPort support
-
+
DirectX
10.1 (10_1)
DirectX® 11
Mantle
-
-
OpenCL
1.1
1.2
OpenGL
3.3
4.4
Shader Model
4.1
5.0
Vulkan
N/A
-
AppAcceleration
-
-
CrossFire
-
1
Enduro
-
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
UVD
-
+
ZeroCore
-
-