GeForce GTX 1080 and Radeon HD 2900 GT - video card comparison
Passmark - benchmark score GeForce GTX 1080 vs Radeon HD 2900 GT
GeForce GTX 1080
16002
Radeon HD 2900 GT
301
GeForce GTX 1080
Radeon HD 2900 GT
Architecture
Pascal (2016−2021)
TeraScale (2005−2013)
GPU code name
Pascal GP104
R600
Market segment
Desktop
Desktop
Release date
May 2016
November 2007
Bus support
PCIe 3.0
-
Interface
PCIe 3.0 x16
PCIe 1.0 x16
Recommended system power (PSU)
500 Watt
-
Supplementary power connectors
8-pin
1x 8-pin
SLI options
+
-
Boost clock speed
1733 MHz
-
Core clock speed
1607 MHz
601 MHz
CUDA cores
2560
-
Floating-point performance
8,873 gflops
288.48 gflops
Manufacturing process technology
16 nm
80 nm
Number of transistors
7,200 million
720 million
Pipelines / CUDA cores
2560
240
Power consumption (TDP)
180 Watt
150 Watt
Maximum GPU temperature
94 °C
-
Texture fill rate
277.3
7.212
Memory type
GDDR5X
GDDR3
Maximum RAM amount
8 GB
256 MB
Memory bus width
256 Bit
256 Bit
Memory clock speed
10 GB/s
1600 MHz
Memory bandwidth
320 GB/s
51.2 GB/s
Shared memory
-
-
Display Connectors
DP 1.42, HDMI 2.0b, DL-DVI
2x DVI, 1x S-Video
Multi monitor support
+
-
HDMI
+
-
G-SYNC support
+
-
DirectX
12 (12_1)
10.0 (10_0)
CUDA
+
-
OpenCL
1.2
N/A
OpenGL
4.5
3.3
Shader Model
6.4
4.0
Vulkan
1.2.131
N/A
Ansel
+
-
GPU Boost
3.0
-
VR Ready
+
-