Radeon HD 4890 and Radeon HD 7790 - video card comparison
Passmark - benchmark score Radeon HD 4890 vs Radeon HD 7790
Radeon HD 4890
1552
Radeon HD 7790
3183
Radeon HD 4890
Radeon HD 7790
Architecture
TeraScale (2005−2013)
GCN 2.0 (2013−2017)
GPU code name
RV790
Bonaire
Market segment
Desktop
Desktop
Release date
April 2009
March 2013
Interface
PCIe 2.0 x16
PCIe 3.0 x16
Supplementary power connectors
2x 6-pin
1x 6-pin
Core clock speed
850 MHz
1000 MHz
Floating-point performance
1,360.0 gflops
1,792 gflops
Manufacturing process technology
55 nm
28 nm
Number of transistors
959 million
2,080 million
Pipelines / CUDA cores
800
896
Power consumption (TDP)
190 Watt
85 Watt
Texture fill rate
34.00
56.00
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
1 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
3900 MHz
6000 MHz
Memory bandwidth
124.8 GB/s
96 GB/s
Display Connectors
2x DVI, 1x S-Video
1x DVI, 1x HDMI, 2x mini-DisplayPort
HDMI
-
+
DirectX
10.1 (10_1)
12 (12_0)
OpenCL
1.1
2.0
OpenGL
3.3
4.6
Shader Model
4.1
6.3
Vulkan
N/A
1.2.131