Radeon R9 290 and Radeon HD 7970 - video card comparison
Passmark - benchmark score Radeon R9 290 vs Radeon HD 7970
Radeon R9 290
8336
Radeon HD 7970
5405
Radeon R9 290
Radeon HD 7970
Architecture
GCN 2.0 (2013−2017)
GCN (2011−2017)
GPU code name
Hawaii
Tahiti XT
Market segment
Desktop
Desktop
Release date
November 2013
December 2011
Bus support
-
PCIe 2.1 x16
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
1x 6-pin + 1x 8-pin
1x 6-pin + 1x 8-pin
Boost clock speed
-
925 MHz
Core clock speed
947 MHz
-
Floating-point performance
4,849 gflops
3,789 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
6,200 million
4,313 million
Pipelines / CUDA cores
2560
2048
Power consumption (TDP)
275 Watt
300 Watt
Texture fill rate
151.5
118.4
Memory type
GDDR5
GDDR5
Maximum RAM amount
4 GB
6 GB
Memory bus width
512 Bit
384 Bit
Memory clock speed
5000 MHz
1375 MHz
Memory bandwidth
320.0 GB/s
264 GB/s
Shared memory
-
-
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
1x DVI, 1x HDMI, 2x mini-DisplayPort
Eyefinity
-
+
HDMI
+
+
DisplayPort support
-
-
DirectX
12 (12_0)
DirectX® 11
Mantle
-
-
OpenCL
2.0
1.2
OpenGL
4.6
4.6
Shader Model
6.3
5.1
Vulkan
1.2.131
-
AppAcceleration
-
-
CrossFire
-
1
Enduro
-
-
FreeSync
-
1
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-