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GeForce GTX 680 and Radeon HD 6970 - video card comparison


Passmark - benchmark score GeForce GTX 680 vs Radeon HD 6970

GeForce GTX 680
5721
Radeon HD 6970
2921

GeForce GTX 680

Radeon HD 6970


Architecture
Kepler (2012−2018)
Terascale 2 (2009−2015)

GPU code name
GK104
Cayman

Market segment
Desktop
Desktop

Release date
March 2012
December 2010

Bus support
PCI Express 3.0
PCIe 2.0 x16

Interface
PCIe 3.0 x16
PCIe 2.0 x16

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

SLI options
+
-

Boost clock speed
1058 MHz
880 MHz

Core clock speed
1006 MHz
-

CUDA cores
1536
-

Floating-point performance
3,090.4 gflops
2,703.4 gflops

Manufacturing process technology
28 nm
40 nm

Number of transistors
3,540 million
2,640 million

Pipelines / CUDA cores
1536
1536

Power consumption (TDP)
195 Watt
550 Watt

Texture fill rate
128.8 billion/sec
84.48

Memory type
GDDR5
DDR5

Maximum RAM amount
2048 MB
2 GB

Memory bus width
256-bit GDDR5
256 Bit

Memory clock speed
6000 MHz
1375 MHz

Memory bandwidth
192.2 GB/s
-

Shared memory
-
-

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

Multi monitor support
4 displays
-

Eyefinity
-
1

HDMI
+
+

HDCP
+
-

Maximum VGA resolution
2048x1536
-

DisplayPort support
-
-

Audio input for HDMI
Internal
-

DirectX
12 (11_0)
DirectX® 11

CUDA
+
-

Mantle
-
-

OpenCL
1.2
1.2

OpenGL
4.2
4.4

Shader Model
5.1
5.0

Vulkan
1.1.126
-

AppAcceleration
-
-

CrossFire
-
1

Enduro
-
-

HD3D
-
-

PowerTune
-
-

TrueAudio
-
-

ZeroCore
-
-