Radeon R9 290 and Radeon HD 7990 - video card comparison
Passmark - benchmark score Radeon R9 290 vs Radeon HD 7990
Radeon R9 290
8336
Radeon HD 7990
5732
Radeon R9 290
Radeon HD 7990
Architecture
GCN 2.0 (2013−2017)
GCN 1.0 (2012−2020)
GPU code name
Hawaii
Malta
Market segment
Desktop
Desktop
Release date
November 2013
April 2013
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
1x 6-pin + 1x 8-pin
2x 8-pin
Boost clock speed
-
1000 MHz
Core clock speed
947 MHz
950 MHz
Floating-point performance
4,849 gflops
2x 4,096 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
375 Watt
Texture fill rate
151.5
128.0
Memory type
GDDR5
GDDR5
Maximum RAM amount
4 GB
3 GB
Memory bus width
512 Bit
384 Bit
Memory clock speed
5000 MHz
6000 MHz
Memory bandwidth
320.0 GB/s
288.0 GB/s
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
1x DVI, 4x mini-DisplayPort
HDMI
+
-
DirectX
12 (12_0)
12 (11_1)
OpenCL
2.0
1.2
OpenGL
4.6
4.6
Shader Model
6.3
5.1
Vulkan
1.2.131
1.2.131