AMD Radeon R7 250X vs AMD Radeon R9 270 1024SP

VS

AMD Radeon R7 250X AMD Radeon R9 270 1024SP

We compared two Desktop platform GPUs: 1024MB VRAM Radeon R7 250X 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 R7 250X 's Advantages

Lower TDP (80W vs 150W)

AMD Radeon R9 270 1024SP 's Advantages

Released 1 years and 1 months late

Boost Clock925MHz

More VRAM (2GB vs 1GB)

Larger VRAM bandwidth (153.6GB/s vs 72.00GB/s)

384 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R7 250X

1.216 TFLOPS

Radeon R9 270 1024SP +55%

1.894 TFLOPS

Radeon R7 250X

VS

Radeon R9 270 1024SP

Graphics Card

Feb 2014

Release Date

Mar 2015

Volcanic Islands

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

900 MHz

-

Boost Clock

925 MHz

1125 MHz

Memory Clock

1200 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

72.00GB/s

Bandwidth

153.6GB/s

Render Config

-

SM Count

-

10

Compute Units

16

640

Shading Units

1024

40

TMUs

64

16

ROPs

32

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

512 KB

Theoretical Performance

15.20 GPixel/s

Pixel Rate

29.60 GPixel/s

38.00 GTexel/s

Texture Rate

59.20 GTexel/s

-

FP16 (half)

-

1216 GFLOPS

FP32 (float)

1.894 TFLOPS

76.00 GFLOPS

FP64 (double)

118.4 GFLOPS

Graphics Processor

Cape Verde

GPU Name

Pitcairn

Cape Verde XT

GPU Variant

Pitcairn PRO (215-0828062)

GCN 1.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.5 billion

Transistors

2.8 billion

123 mm²

Die Size

212 mm²

Board Design

80W

TDP

150W

250 W

Suggested PSU

450 W

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

Outputs

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

1x 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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