AMD Radeon R9 270X vs AMD Radeon R9 270 1024SP

VS

AMD Radeon R9 270X AMD Radeon R9 270 1024SP

We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 270X and 2GB VRAM Radeon R9 270 1024SP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 270X 's Advantages

Boost Clock has increased by 14% (1050MHz vs 925MHz)

Larger VRAM bandwidth (179.2GB/s vs 153.6GB/s)

256 additional rendering cores

AMD Radeon R9 270 1024SP 's Advantages

Released 1 years and 5 months late

Lower TDP (150W vs 180W)

Score

Benchmark

FP32 (float)

Radeon R9 270X +41%

2.688 TFLOPS

Radeon R9 270 1024SP

1.894 TFLOPS

Radeon R9 270X

VS

Radeon R9 270 1024SP

Graphics Card

Oct 2013

Release Date

Mar 2015

Volcanic Islands

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1000 MHz

Base Clock

900 MHz

1050 MHz

Boost Clock

925 MHz

1400 MHz

Memory Clock

1200 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

179.2GB/s

Bandwidth

153.6GB/s

Render Config

-

SM Count

-

20

Compute Units

16

1280

Shading Units

1024

80

TMUs

64

32

ROPs

32

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

512 KB

Theoretical Performance

33.60 GPixel/s

Pixel Rate

29.60 GPixel/s

84.00 GTexel/s

Texture Rate

59.20 GTexel/s

-

FP16 (half)

-

2.688 TFLOPS

FP32 (float)

1.894 TFLOPS

168.0 GFLOPS

FP64 (double)

118.4 GFLOPS

Graphics Processor

Curacao

GPU Name

Pitcairn

Curacao XT (215-0848004)

GPU Variant

Pitcairn PRO (215-0828062)

GCN 1.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.8 billion

Transistors

2.8 billion

212 mm²

Die Size

212 mm²

Board Design

180W

TDP

150W

450 W

Suggested PSU

450 W

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

Outputs

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

2x 6-pin

Power Connectors

1x 6-pin

Graphics Features

12 (11_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

1.2

OpenCL

1.2

Vulkan

1.2

-

CUDA

-

5.1

Shader Model

5.1

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