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GeForce GTX 970 and Radeon R9 270X - video card comparison


Passmark - benchmark score GeForce GTX 970 vs Radeon R9 270X

GeForce GTX 970
9932
Radeon R9 270X
5036

GeForce GTX 970

Radeon R9 270X


Architecture
Maxwell (2014−2018)
GCN (2011−2017)

GPU code name
GM204
Curacao XT

Market segment
Desktop
Desktop

Release date
September 2014
October 2013

Bus support
PCI Express 3.0
PCIe 3.0

Interface
PCIe 3.0 x16
PCIe 3.0 x16

Recommended system power (PSU)
500 Watt
-

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

SLI options
+
-

Boost clock speed
1178 MHz
1050 MHz

Core clock speed
1050 MHz
-

CUDA cores
1664
-

Floating-point performance
3,920 gflops
2,688 gflops

Manufacturing process technology
28 nm
28 nm

Number of transistors
5,200 million
2,800 million

Pipelines / CUDA cores
1664
1280

Power consumption (TDP)
145 Watt
180 Watt

Maximum GPU temperature
98 °C
-

Texture fill rate
109 billion/sec
84.00

Memory type
GDDR5
GDDR5

Maximum RAM amount
4 GB
4 GB

Memory bus width
256 Bit
256 Bit

Memory clock speed
7.0 GB/s
-

Memory bandwidth
224 GB/s
179.2 GB/s

Shared memory
-
-

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

Multi monitor support
4 displays
-

Eyefinity
-
+

HDMI
+
+

HDCP
+
-

Maximum VGA resolution
2048x1536
-

DisplayPort support
-
+

G-SYNC support
+
-

Audio input for HDMI
Internal
-

DirectX
12 (12_1)
DirectX® 12

CUDA
+
-

Mantle
-
-

OpenCL
1.2
1.2

OpenGL
4.4
4.6

Shader Model
6.4
5.1

Vulkan
1.1.126
+

AppAcceleration
-
+

CrossFire
-
1

DDMA audio
-
+

Enduro
-
-

FreeSync
-
1

GameStream
+
-

GameWorks
+
-

GeForce ShadowPlay
+
-

GPU Boost
2.0
-

HD3D
-
+

LiquidVR
-
1

PowerTune
-
-

TressFX
-
1

TrueAudio
-
+

UVD
-
+

ZeroCore
-
-