Radeon R7 250X and Radeon HD 4650 - video card comparison
Passmark - benchmark score Radeon R7 250X vs Radeon HD 4650
Radeon R7 250X
2336
Radeon HD 4650
246
Radeon R7 250X
Radeon HD 4650
Architecture
GCN 1.0 (2012−2020)
TeraScale (2005−2013)
GPU code name
Cape Verde
RV730
Market segment
Desktop
Desktop
Release date
February 2014
September 2008
Bus support
PCIe 3.0
-
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
1 x 6-pin
-
Boost clock speed
1000 MHz
-
Core clock speed
-
600 MHz
Floating-point performance
1,216 gflops
384.0 gflops
Manufacturing process technology
28 nm
55 nm
Number of transistors
1,500 million
514 million
Pipelines / CUDA cores
640
320
Power consumption (TDP)
80 Watt
48 Watt
Texture fill rate
38.00
19.20
Memory type
GDDR5
GDDR3
Maximum RAM amount
2 GB
256 MB
Memory bus width
128 Bit
128 Bit
Memory clock speed
1625 MHz
1400 MHz
Memory bandwidth
96 GB/s
22.4 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
-
-