AMD Radeon R9 270X vs AMD Radeon RX 6700 XT

VS

AMD Radeon R9 270X

AMD Radeon RX 6700 XT

We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 270X and 12GB VRAM Radeon RX 6700 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 270X 's Advantages

Lower TDP (180W vs 230W)

AMD Radeon RX 6700 XT 's Advantages

Released 7 years and 5 months late

Boost Clock has increased by 146% (2581MHz vs 1050MHz)

More VRAM (12GB vs 2GB)

Larger VRAM bandwidth (384.0GB/s vs 179.2GB/s)

1280 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 270X

2.688 TFLOPS

Radeon RX 6700 XT +391%

13.21 TFLOPS

3DMark Time Spy

Radeon R9 270X

1769

Radeon RX 6700 XT +622%

12779

Radeon R9 270X

VS

Radeon RX 6700 XT

Graphics Card

Oct 2013

Release Date

Mar 2021

Volcanic Islands

Generation

Navi II

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1000 MHz

Base Clock

2321 MHz

1050 MHz

Boost Clock

2581 MHz

1400 MHz

Memory Clock

2000 MHz

Memory

2GB

Memory Size

12GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

192bit

179.2GB/s

Bandwidth

384.0GB/s

Render Config

20

Compute Units

40

-

1280

Shading Units

2560

80

TMUs

160

32

ROPs

64

-

RT Cores

40

16 KB (per CU)

L1 Cache

128 KB per Array

512 KB

L2 Cache

3 MB

-

L3 Cache

96 MB

Theoretical Performance

33.60 GPixel/s

Pixel Rate

165.2 GPixel/s

84.00 GTexel/s

Texture Rate

413.0 GTexel/s

-

FP16 (half)

26.43 TFLOPS

2.688 TFLOPS

FP32 (float)

13.21 TFLOPS

168.0 GFLOPS

FP64 (double)

825.9 GFLOPS

Board Design

180W

TDP

230W

450 W

Suggested PSU

550 W

2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

2x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Curacao

GPU Name

Navi 22

Curacao XT (215-0848004)

GPU Variant

Navi 22 XT (215-127000006)

GCN 1.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

7 nm

2.8 billion

Transistors

17.2 billion

212 mm²

Die Size

335 mm²

Graphics Features

12 (11_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

1.2

OpenCL

2.1

1.2

Vulkan

1.3

-

5.1

Shader Model

6.5

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