Logo

GeForce GTX 970 and Radeon HD 6770 - video card comparison


Passmark - benchmark score GeForce GTX 970 vs Radeon HD 6770

GeForce GTX 970
9932
Radeon HD 6770
1286

GeForce GTX 970

Radeon HD 6770


Architecture
Maxwell (2014−2018)
TeraScale 2 (2009−2015)

GPU code name
GM204
Juniper

Market segment
Desktop
Desktop

Release date
September 2014
January 2011

Bus support
PCI Express 3.0
PCIe 2.0 x16

Interface
PCIe 3.0 x16
PCIe 2.0 x16

Recommended system power (PSU)
500 Watt
-

Supplementary power connectors
2x 6-pins
1x 6-pin

SLI options
+
-

Boost clock speed
1178 MHz
900 MHz

Core clock speed
1050 MHz
-

CUDA cores
1664
-

Floating-point performance
3,920 gflops
1,360.0 gflops

Manufacturing process technology
28 nm
40 nm

Number of transistors
5,200 million
1,040 million

Pipelines / CUDA cores
1664
800

Power consumption (TDP)
145 Watt
108 Watt

Maximum GPU temperature
98 °C
-

Texture fill rate
109 billion/sec
34.00

Memory type
GDDR5
GDDR5

Maximum RAM amount
4 GB
1 GB

Memory bus width
256 Bit
128 Bit

Memory clock speed
7.0 GB/s
1050 MHz

Memory bandwidth
224 GB/s
76.8 GB/s

Shared memory
-
-

Display Connectors
Dual Link DVI-I, HDMI 2.0, 3x DisplayPort 1.2
2x DVI, 1x HDMI, 2x mini-DisplayPort

Multi monitor support
4 displays
-

Eyefinity
-
1

HDMI
+
+

HDCP
+
-

Maximum VGA resolution
2048x1536
-

DisplayPort support
-
-

G-SYNC support
+
-

Audio input for HDMI
Internal
-

DirectX
12 (12_1)
DirectX® 11

CUDA
+
-

Mantle
-
-

OpenCL
1.2
1.2

OpenGL
4.4
4.4

Shader Model
6.4
5.0

Vulkan
1.1.126
-

AppAcceleration
-
-

CrossFire
-
1

Enduro
-
-

GameStream
+
-

GameWorks
+
-

GeForce ShadowPlay
+
-

GPU Boost
2.0
-

HD3D
-
-

PowerTune
-
-

TrueAudio
-
-

ZeroCore
-
-