Radeon HD 4850 and Radeon HD 6670 - video card comparison
Passmark - benchmark score Radeon HD 4850 vs Radeon HD 6670
Radeon HD 4850
1057
Radeon HD 6670
752
Radeon HD 4850
Radeon HD 6670
Architecture
Terascale 1 (2008−2010)
TeraScale 2 (2009−2015)
GPU code name
RV770
Turks
Market segment
Desktop
Desktop
Release date
June 2008
April 2011
Bus support
-
PCIe 2.0 x16
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
1x 6-pin
None
Boost clock speed
-
800 MHz
Core clock speed
625 MHz
-
Floating-point performance
1,000.0 gflops
768.0 gflops
Manufacturing process technology
55 nm
40 nm
Number of transistors
956 million
716 million
Pipelines / CUDA cores
800
480
Power consumption (TDP)
110 Watt
66 Watt
Texture fill rate
25.00
19.20
Memory type
GDDR3
GDDR5
Maximum RAM amount
512 MB
1 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
993 MHz
1050 MHz
Memory bandwidth
63.55 GB/s
64 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
-
-
ZeroCore
-
-