Radeon R9 M270X and Radeon HD 4850 - video card comparison
Passmark - benchmark score Radeon R9 M270X vs Radeon HD 4850
Radeon R9 M270X
1240
Radeon HD 4850
1057
Radeon R9 M270X
Radeon HD 4850
Architecture
GCN 1.0 (2012−2020)
Terascale 1 (2008−2010)
GPU code name
Venus
RV770
Market segment
Desktop
Desktop
Release date
March 2014
June 2008
Bus support
PCIe 3.0 x16
-
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
-
1x 6-pin
Boost clock speed
775 MHz
-
Compute units
10
-
Core clock speed
725 MHz
625 MHz
Floating-point performance
1,536 gflops
1,000.0 gflops
Manufacturing process technology
28 nm
55 nm
Number of transistors
1,500 million
956 million
Pipelines / CUDA cores
640
800
Power consumption (TDP)
-
110 Watt
Texture fill rate
31.00
25.00
Memory type
GDDR5
GDDR3
Maximum RAM amount
4 GB
512 MB
Memory bus width
128 Bit
256 Bit
Memory clock speed
1125 MHz
993 MHz
Memory bandwidth
72 GB/s
63.55 GB/s
Display Connectors
No outputs
2x DVI, 1x S-Video
Eyefinity
1
-
DirectX
DirectX® 11
10.1 (10_1)
Mantle
+
-
OpenCL
Not Listed
1.1
OpenGL
4.4
3.3
Shader Model
5.1
4.1
Vulkan
-
N/A
AppAcceleration
-
-
DualGraphics
1
-
Enduro
-
-
FreeSync
1
-
HD3D
+
-
PowerTune
+
-
Switchable graphics
1
-
TrueAudio
-
-
ZeroCore
+
-