Radeon R9 290X and Radeon R9 270 - video card comparison
Passmark - benchmark score Radeon R9 290X vs Radeon R9 270
Radeon R9 290X
7648
Radeon R9 270
4435
Radeon R9 290X
Radeon R9 270
Architecture
GCN (2011−2017)
GCN 1.0 (2012−2020)
GPU code name
Hawaii XT
Curacao
Market segment
Desktop
Desktop
Release date
October 2013
November 2013
Bus support
PCIe 3.0
PCIe 3.0
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
1 x 6-pin + 1 x 8-pin
1 x 6-pin
Boost clock speed
947 MHz
925 MHz
Floating-point performance
5,632 gflops
2,368 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
6,200 million
2,800 million
Pipelines / CUDA cores
2816
1280
Power consumption (TDP)
250 Watt
150 Watt
Texture fill rate
176.0
74.00
Memory type
GDDR5
GDDR5
Maximum RAM amount
4 GB
2 GB
Memory bus width
512 Bit
256 Bit
Memory clock speed
1250 MHz
-
Memory bandwidth
320 GB/s
179.2 GB/s
Shared memory
-
-
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
2x DVI, 1x HDMI, 1x DisplayPort
Eyefinity
+
1
HDMI
+
+
DisplayPort support
+
+
DirectX
DirectX® 12
DirectX® 12
Mantle
-
-
OpenCL
2.0
1.2
OpenGL
4.6
4.6
Shader Model
6.3
5.1
Vulkan
+
+
AppAcceleration
+
-
CrossFire
1
1
DDMA audio
+
+
Enduro
-
-
FreeSync
1
1
HD3D
+
+
LiquidVR
1
1
PowerTune
-
-
TressFX
1
1
TrueAudio
+
+
UVD
+
+
ZeroCore
-
-