AMD Radeon R7 250X vs AMD Radeon HD 7870 GHz Edition

VS

AMD Radeon R7 250X AMD Radeon HD 7870 GHz Edition

We compared two Desktop platform GPUs: 1024MB VRAM Radeon R7 250X and 2GB VRAM Radeon HD 7870 GHz Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R7 250X 's Advantages

Released 1 years and 11 months late

Lower TDP (80W vs 175W)

AMD Radeon HD 7870 GHz Edition 's Advantages

More VRAM (2GB vs 1GB)

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

640 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R7 250X

1.216 TFLOPS

Radeon HD 7870 GHz Edition +110%

2.56 TFLOPS

Radeon R7 250X

VS

Radeon HD 7870 GHz Edition

Graphics Card

Feb 2014

Release Date

Mar 2012

Volcanic Islands

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

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

20

640

Shading Units

1280

40

TMUs

80

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

32.00 GPixel/s

38.00 GTexel/s

Texture Rate

80.00 GTexel/s

-

FP16 (half)

-

1216 GFLOPS

FP32 (float)

2.560 TFLOPS

76.00 GFLOPS

FP64 (double)

160.0 GFLOPS

Graphics Processor

Cape Verde

GPU Name

Pitcairn

Cape Verde XT

GPU Variant

Pitcairn XT (215-0828047)

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

175W

250 W

Suggested PSU

450 W

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

Outputs

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

1x 6-pin

Power Connectors

2x 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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