Logo

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
-