Radeon R9 280X and Radeon HD 7870 - video card comparison
Passmark - benchmark score Radeon R9 280X vs Radeon HD 7870
Radeon R9 280X
6012
Radeon HD 7870
4779
Radeon R9 280X
Radeon HD 7870
Architecture
GCN (2011−2017)
GCN (2011−2017)
GPU code name
Thaiti XTL
Pitcairn XT
Market segment
Desktop
Desktop
Release date
October 2013
March 2012
Bus support
PCIe 3.0
-
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
1 x 6-pin + 1 x 8-pin
2x 6-pin
Boost clock speed
1000 MHz
-
Core clock speed
-
1000 MHz
Floating-point performance
4,096 gflops
-
Manufacturing process technology
28 nm
28 nm
Number of transistors
4,313 million
2800 Million
Pipelines / CUDA cores
2048
1280
Power consumption (TDP)
250 Watt
175 Watt
Texture fill rate
128.0
80.00
Memory type
GDDR5
GDDR5
Maximum RAM amount
3 GB
2 GB
Memory bus width
384 Bit
256 Bit
Memory clock speed
-
4800 MHz
Memory bandwidth
288 GB/s
153.6 GB/s
Shared memory
-
-
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
1x DVI, 1x HDMI, 2x mini-DisplayPort
Eyefinity
+
+
HDMI
+
+
DisplayPort support
+
-
DirectX
DirectX® 12
12 (11_1)
Mantle
-
-
OpenCL
1.2
1.2
OpenGL
4.6
4.6
Shader Model
5.1
5.1
Vulkan
+
1.2.131
AppAcceleration
+
-
CrossFire
1
-
DDMA audio
+
-
Enduro
-
-
FreeSync
1
-
HD3D
+
-
LiquidVR
1
-
PowerTune
-
-
TressFX
1
-
TrueAudio
+
-
UVD
+
-
ZeroCore
-
-