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Radeon HD 7950 and GeForce GTX 670 - video card comparison


Passmark - benchmark score Radeon HD 7950 vs GeForce GTX 670

Radeon HD 7950
4907
GeForce GTX 670
5491

Radeon HD 7950

GeForce GTX 670


Architecture
GCN 1.0 (2012−2020)
Kepler (2012−2018)

GPU code name
Tahiti
GK104

Market segment
Desktop
Desktop

Release date
January 2012
May 2012

Bus support
PCIe 3.0 x16
PCI Express 3.0

Interface
PCIe 3.0 x16
PCIe 3.0 x16

Supplementary power connectors
2x 6-pin
Two 6-pin

SLI options
-
+

Boost clock speed
1250 MHz
980 MHz

Compute units
28
-

Core clock speed
-
915 MHz

CUDA cores
-
1344

Floating-point performance
2,867 gflops
2,459.5 gflops

Manufacturing process technology
28 nm
28 nm

Number of transistors
4,313 million
3,540 million

Pipelines / CUDA cores
1792
1344

Power consumption (TDP)
200 Watt
170 Watt

Maximum GPU temperature
-
97 °C

Texture fill rate
89.60
102.5 billion/sec

Memory type
GDDR5
GDDR5

Maximum RAM amount
3 GB
2 GB

Memory bus width
384 Bit
256-bit GDDR5

Memory clock speed
1250 MHz
6.0 GB/s

Memory bandwidth
240 GB/s
192.2 GB/s

Display Connectors
1x DVI, 1x HDMI, 2x mini-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® 11
12 (11_0)

CUDA
-
+

Mantle
-
-

OpenCL
1.2
1.2

OpenGL
4.6
4.2

Shader Model
5.1
5.1

Vulkan
-
1.1.126

3D Blu-Ray
-
+

3D Gaming
-
+

3D Vision
-
+

AppAcceleration
+
-

CrossFire
1
-

Enduro
-
-

FreeSync
1
-

HD3D
-
-

PowerTune
+
-

TrueAudio
-
-

ZeroCore
+
-