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Radeon R9 270X and Radeon RX 6700 - video card comparison


Passmark - benchmark score Radeon R9 270X vs Radeon RX 6700

Radeon R9 270X
5036
Radeon RX 6700
19536

Radeon R9 270X

Radeon RX 6700


Architecture
GCN (2011−2017)
RDNA 2.0 (2020−2022)

GPU code name
Curacao XT
Navi 22

Market segment
Desktop
Desktop

Release date
October 2013
June 2021

Bus support
PCIe 3.0
-

Interface
PCIe 3.0 x16
PCIe 4.0 x16

Supplementary power connectors
2 x 6-pin
1x 8-pin

Boost clock speed
1050 MHz
2450 MHz

Floating-point performance
2,688 gflops
-

Manufacturing process technology
28 nm
7 nm

Number of transistors
2,800 million
17,200 million

Pipelines / CUDA cores
1280
2304

Power consumption (TDP)
180 Watt
175 Watt

Texture fill rate
84.00
352.8

Memory type
GDDR5
GDDR6

Maximum RAM amount
4 GB
10 GB

Memory bus width
256 Bit
160 Bit

Memory clock speed
-
16 GB/s

Memory bandwidth
179.2 GB/s
320.0 GB/s

Shared memory
-
-

Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
1x HDMI 2.1, 2x DisplayPort 1.4a, 1x USB Type-C

Eyefinity
+
-

HDMI
+
+

DisplayPort support
+
-

DirectX
DirectX® 12
12 Ultimate (12_2)

Mantle
-
-

OpenCL
1.2
2.1

OpenGL
4.6
4.6

Shader Model
5.1
6.5

Vulkan
+
1.3

AppAcceleration
+
-

CrossFire
1
-

DDMA audio
+
-

Enduro
-
-

FreeSync
1
-

HD3D
+
-

LiquidVR
1
-

PowerTune
-
-

TressFX
1
-

TrueAudio
+
-

UVD
+
-

ZeroCore
-
-