Radeon R9 285 and GeForce 7900 GT - video card comparison
Passmark - benchmark score Radeon R9 285 vs GeForce 7900 GT
Radeon R9 285
6880
GeForce 7900 GT
266
Radeon R9 285
GeForce 7900 GT
Architecture
GCN 3.0 (2014−2017)
Curie (2003−2013)
GPU code name
Tonga
G71
Market segment
Desktop
Desktop
Release date
September 2014
March 2006
Interface
PCIe 3.0 x16
PCIe 1.0 x16
Supplementary power connectors
2x 6-pin
1x 6-pin
Core clock speed
918 MHz
450 MHz
Floating-point performance
3,290 gflops
-
Manufacturing process technology
28 nm
90 nm
Number of transistors
5,000 million
278 million
Pipelines / CUDA cores
1792
-
Power consumption (TDP)
190 Watt
48 Watt
Texture fill rate
102.8
10.80
Memory type
GDDR5
GDDR3
Maximum RAM amount
2 GB
256 MB
Memory bus width
256 Bit
256 Bit
Memory clock speed
5.5 GB/s
1320 MHz
Memory bandwidth
176.0 GB/s
42.24 GB/s
Display Connectors
2x DVI, 1x HDMI 1.4a, 1x DisplayPort 1.2
2x DVI, 1x S-Video
HDMI
+
-
DirectX
12 (12_0)
9.0c (9_3)
OpenCL
2.1
N/A
OpenGL
4.6
2.1
Shader Model
6.5
3.0
Vulkan
1.2.170
N/A