AMD Radeon R9 285 vs AMD Radeon R7 250

VS

AMD Radeon R9 285

AMD Radeon R7 250

We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 285 and 1024MB VRAM Radeon R7 250 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 285 's Advantages

Released 11 months late

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (176.0GB/s vs 28.80GB/s)

1280 additional rendering cores

AMD Radeon R7 250 's Advantages

Lower TDP (55W vs 190W)

Score

Benchmark

FP32 (float)

Radeon R9 285 +358%

3.29 TFLOPS

Radeon R7 250

0.717 TFLOPS

Radeon R9 285

VS

Radeon R7 250

Graphics Card

Sep 2014

Release Date

Oct 2013

Volcanic Islands

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1375 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

128bit

176.0GB/s

Bandwidth

28.80GB/s

Render Config

28

Compute Units

8

-

1792

Shading Units

512

112

TMUs

32

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

29.38 GPixel/s

Pixel Rate

11.20 GPixel/s

102.8 GTexel/s

Texture Rate

22.40 GTexel/s

3.290 TFLOPS

FP16 (half)

-

3.290 TFLOPS

FP32 (float)

716.8 GFLOPS

205.6 GFLOPS

FP64 (double)

44.80 GFLOPS

Board Design

190W

TDP

55W

450 W

Suggested PSU

250 W

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

Outputs

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

2x 6-pin

Power Connectors

None

Graphics Processor

Tonga

GPU Name

Cape Verde

Tonga PRO (215-0851128)

GPU Variant

Cape Verde PRO

GCN 3.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

5 billion

Transistors

1.5 billion

366 mm²

Die Size

123 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

1.2

1.2.170

Vulkan

1.2

-

6.5

Shader Model

5.1

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