Radeon R9 270 and Radeon HD 4850 - video card comparison
Passmark - benchmark score Radeon R9 270 vs Radeon HD 4850
Radeon R9 270
4435
Radeon HD 4850
1057
Radeon R9 270
Radeon HD 4850
Architecture
GCN 1.0 (2012−2020)
Terascale 1 (2008−2010)
GPU code name
Curacao
RV770
Market segment
Desktop
Desktop
Release date
November 2013
June 2008
Bus support
PCIe 3.0
-
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
1 x 6-pin
1x 6-pin
Boost clock speed
925 MHz
-
Core clock speed
-
625 MHz
Floating-point performance
2,368 gflops
1,000.0 gflops
Manufacturing process technology
28 nm
55 nm
Number of transistors
2,800 million
956 million
Pipelines / CUDA cores
1280
800
Power consumption (TDP)
150 Watt
110 Watt
Texture fill rate
74.00
25.00
Memory type
GDDR5
GDDR3
Maximum RAM amount
2 GB
512 MB
Memory bus width
256 Bit
256 Bit
Memory clock speed
-
993 MHz
Memory bandwidth
179.2 GB/s
63.55 GB/s
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
2x DVI, 1x S-Video
Eyefinity
1
-
HDMI
+
-
DisplayPort support
+
-
DirectX
DirectX® 12
10.1 (10_1)
Mantle
-
-
OpenCL
1.2
1.1
OpenGL
4.6
3.3
Shader Model
5.1
4.1
Vulkan
+
N/A
AppAcceleration
-
-
CrossFire
1
-
DDMA audio
+
-
Enduro
-
-
FreeSync
1
-
HD3D
+
-
LiquidVR
1
-
PowerTune
-
-
TressFX
1
-
TrueAudio
+
-
UVD
+
-
ZeroCore
-
-