Radeon R7 250 and Radeon HD 4850 - video card comparison
Passmark - benchmark score Radeon R7 250 vs Radeon HD 4850
Radeon R7 250
1100
Radeon HD 4850
1057
Radeon R7 250
Radeon HD 4850
Architecture
GCN (2011−2017)
Terascale 1 (2008−2010)
GPU code name
Oland XT
RV770
Market segment
Desktop
Desktop
Release date
October 2013
June 2008
Bus support
PCIe 3.0
-
Interface
PCIe 3.0 x8
PCIe 2.0 x16
Supplementary power connectors
N/A
1x 6-pin
Boost clock speed
1050 MHz
-
Core clock speed
-
625 MHz
Floating-point performance
716.8 gflops
1,000.0 gflops
Manufacturing process technology
28 nm
55 nm
Number of transistors
950 million
956 million
Pipelines / CUDA cores
384
800
Power consumption (TDP)
75 Watt
110 Watt
Texture fill rate
25.20
25.00
Memory type
DDR3, GDDR5
GDDR3
Maximum RAM amount
2 GB
512 MB
Memory bus width
128 Bit
256 Bit
Memory clock speed
1150 MHz
993 MHz
Memory bandwidth
72 GB/s
63.55 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 1x VGA
2x DVI, 1x S-Video
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
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-