
GeForce GTX 980 Ti and Radeon HD 3850 AGP - video card comparison
Passmark - benchmark score GeForce GTX 980 Ti vs Radeon HD 3850 AGP
GeForce GTX 980 Ti
14228
Radeon HD 3850 AGP
445
GeForce GTX 980 Ti
Radeon HD 3850 AGP
Architecture
Maxwell (2014−2018)
TeraScale (2005−2013)
GPU code name
GM200
RV670
Market segment
Desktop
Desktop
Release date
June 2015
January 2008
Bus support
PCI Express 3.0
-
Interface
PCIe 3.0 x16
AGP 8x
Recommended system power (PSU)
600 Watt
-
Supplementary power connectors
6-pin + 8-pin
1x 8-pin
SLI options
+
-
Boost clock speed
1075 MHz
-
Core clock speed
1000 MHz
668 MHz
CUDA cores
2816
-
Floating-point performance
6,060 gflops
427.5 gflops
Manufacturing process technology
28 nm
55 nm
Number of transistors
8,000 million
666 million
Pipelines / CUDA cores
2816
320
Power consumption (TDP)
250 Watt
75 Watt
Texture fill rate
176 billion/sec
10.69
Memory type
GDDR5
GDDR3
Maximum RAM amount
6 GB
512 MB
Memory bus width
384 Bit
256 Bit
Memory clock speed
7.0 GB/s
1656 MHz
Memory bandwidth
336.5 GB/s
52.99 GB/s
Shared memory
-
-
Display Connectors
Dual Link DVI-I, HDMI 2.0, 3x DisplayPort 1.2
2x DVI, 1x S-Video
Multi monitor support
4 displays
-
HDMI
+
-
HDCP
+
-
Maximum VGA resolution
2048x1536
-
G-SYNC support
+
-
Audio input for HDMI
Internal
-
DirectX
12 (12_1)
10.1 (10_1)
CUDA
+
-
OpenCL
1.2
N/A
OpenGL
4.5
3.3
Shader Model
6.4
4.1
Vulkan
1.1.126
N/A
GameStream
+
-
GameWorks
+
-
GeForce ShadowPlay
+
-
GPU Boost
2.0
-