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Radeon R9 390 and GeForce GTX 680 - video card comparison


Passmark - benchmark score Radeon R9 390 vs GeForce GTX 680

Radeon R9 390
9182
GeForce GTX 680
5721

Radeon R9 390

GeForce GTX 680


Architecture
GCN 2.0 (2013−2017)
Kepler (2012−2018)

GPU code name
Grenada
GK104

Market segment
Desktop
Desktop

Release date
June 2015
March 2012

Bus support
PCIe 3.0
PCI Express 3.0

Interface
PCIe 3.0 x16
PCIe 3.0 x16

Supplementary power connectors
1 x 6-pin, 1 x 8-pin
Two 6-pin

SLI options
-
+

Bridgeless CrossFire
1
-

Boost clock speed
1000 MHz
1058 MHz

Core clock speed
-
1006 MHz

CUDA cores
-
1536

Floating-point performance
5,120 gflops
3,090.4 gflops

Manufacturing process technology
28 nm
28 nm

Number of transistors
6,200 million
3,540 million

Pipelines / CUDA cores
2560
1536

Power consumption (TDP)
275 Watt
195 Watt

Texture fill rate
160.0
128.8 billion/sec

Memory type
GDDR5
GDDR5

Maximum RAM amount
0 MB
2048 MB

Memory bus width
512 Bit
256-bit GDDR5

Memory clock speed
1000 MHz
6000 MHz

Memory bandwidth
384 GB/s
192.2 GB/s

High bandwidth memory (HBM)
-
-

Shared memory
-
-

Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
One Dual Link DVI-I, One Dual Link DVI-D, One HDMI, One DisplayPort

Multi monitor support
-
4 displays

Eyefinity
1
-

Number of Eyefinity displays
6
-

HDMI
+
+

HDCP
-
+

Maximum VGA resolution
-
2048x1536

DisplayPort support
+
-

Audio input for HDMI
-
Internal

DirectX
DirectX® 12
12 (11_0)

CUDA
-
+

Mantle
+
-

OpenCL
2.0
1.2

OpenGL
4.6
4.2

Shader Model
6.3
5.1

Vulkan
+
1.1.126

AppAcceleration
-
-

CrossFire
1
-

DDMA audio
+
-

Enduro
-
-

FreeSync
1
-

HD3D
-
-

PowerTune
+
-

TrueAudio
+
-

VCE
+
-

ZeroCore
-
-