Radeon R9 270X and Radeon HD 7750 - video card comparison
Passmark - benchmark score Radeon R9 270X vs Radeon HD 7750
Radeon R9 270X
5036
Radeon HD 7750
1754
Radeon R9 270X
Radeon HD 7750
Architecture
GCN (2011−2017)
GCN 1.0 (2012−2020)
GPU code name
Curacao XT
Cape Verde
Market segment
Desktop
Desktop
Release date
October 2013
February 2012
Bus support
PCIe 3.0
PCIe 2.1 x16
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
2 x 6-pin
None
Boost clock speed
1050 MHz
800 MHz
Floating-point performance
2,688 gflops
819.2 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
2,800 million
1,500 million
Pipelines / CUDA cores
1280
512
Power consumption (TDP)
180 Watt
75 Watt
Texture fill rate
84.00
25.60
Memory type
GDDR5
GDDR5
Maximum RAM amount
4 GB
1 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
-
1125 MHz
Memory bandwidth
179.2 GB/s
72 GB/s
Shared memory
-
-
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
1x DVI, 1x HDMI, 1x DisplayPort
Eyefinity
+
1
HDMI
+
+
DisplayPort support
+
+
DirectX
DirectX® 12
DirectX® 11
Mantle
-
-
OpenCL
1.2
1.2
OpenGL
4.6
4.6
Shader Model
5.1
5.1
Vulkan
+
-
AppAcceleration
+
-
CrossFire
1
1
DDMA audio
+
-
Enduro
-
-
FreeSync
1
1
HD3D
+
-
LiquidVR
1
-
PowerTune
-
-
TressFX
1
-
TrueAudio
+
-
UVD
+
-
ZeroCore
-
-