AMD Radeon R7 250 vs ATI Radeon HD 3870 Mac Edition

VS

AMD Radeon R7 250

ATI Radeon HD 3870 Mac Edition

We compared two Desktop platform GPUs: 1024MB VRAM Radeon R7 250 and 512MB VRAM Radeon HD 3870 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R7 250 's Advantages

Released 5 years and 4 months late

More VRAM (1024GB vs 512GB)

192 additional rendering cores

Lower TDP (55W vs 106W)

ATI Radeon HD 3870 Mac Edition 's Advantages

Larger VRAM bandwidth (72.06GB/s vs 28.80GB/s)

Score

Benchmark

FP32 (float)

Radeon R7 250 +44%

0.717 TFLOPS

Radeon HD 3870 Mac Edition

0.497 TFLOPS

Radeon R7 250

VS

Radeon HD 3870 Mac Edition

Graphics Card

Oct 2013

Release Date

Jun 2008

Volcanic Islands

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

900 MHz

Memory Clock

1126 MHz

Memory

1024MB

Memory Size

512MB

DDR3

Memory Type

GDDR4

128bit

Memory Bus

256bit

28.80GB/s

Bandwidth

72.06GB/s

Render Config

8

Compute Units

4

-

512

Shading Units

320

32

TMUs

16

ROPs

16

-

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

256 KB

-

Theoretical Performance

11.20 GPixel/s

Pixel Rate

12.43 GPixel/s

22.40 GTexel/s

Texture Rate

12.43 GTexel/s

-

716.8 GFLOPS

FP32 (float)

497.3 GFLOPS

44.80 GFLOPS

FP64 (double)

99.46 GFLOPS

Board Design

55W

TDP

106W

250 W

Suggested PSU

300 W

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

Outputs

2x DVI 1x S-Video

None

Power Connectors

1x 6-pin

Graphics Processor

Cape Verde

GPU Name

RV670

Cape Verde PRO

GPU Variant

RV670 XT (215-0708005)

GCN 1.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

1.5 billion

Transistors

0.666 billion

123 mm²

Die Size

192 mm²

Graphics Features

12 (11_1)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3 (full) 4.0 (partial)

1.2

OpenCL

N/A

1.2

Vulkan

N/A

-

5.1

Shader Model

4.1

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