Radeon R7 250X and Radeon HD 4850 - video card comparison
Passmark - benchmark score Radeon R7 250X vs Radeon HD 4850
Radeon R7 250X
2336
Radeon HD 4850
1057
Radeon R7 250X
Radeon HD 4850
Architecture
GCN 1.0 (2012−2020)
Terascale 1 (2008−2010)
GPU code name
Cape Verde
RV770
Market segment
Desktop
Desktop
Release date
February 2014
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
1000 MHz
-
Core clock speed
-
625 MHz
Floating-point performance
1,216 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)
80 Watt
110 Watt
Texture fill rate
38.00
25.00
Memory type
GDDR5
GDDR3
Maximum RAM amount
2 GB
512 MB
Memory bus width
128 Bit
256 Bit
Memory clock speed
1625 MHz
993 MHz
Memory bandwidth
96 GB/s
63.55 GB/s
Display Connectors
1x DVI, 1x HDMI, 2x mini-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
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-