AMD Radeon R9 270 1024SP vs NVIDIA GeForce GTX 285 Mac Edition

VS

AMD Radeon R9 270 1024SP

NVIDIA GeForce GTX 285 Mac Edition

We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 270 1024SP and 1024MB VRAM GeForce GTX 285 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 270 1024SP 's Advantages

Released 6 years and 2 months late

Boost Clock925MHz

More VRAM (2GB vs 1024GB)

784 additional rendering cores

Lower TDP (150W vs 204W)

NVIDIA GeForce GTX 285 Mac Edition 's Advantages

Larger VRAM bandwidth (159.0GB/s vs 153.6GB/s)

Score

Benchmark

FP32 (float)

Radeon R9 270 1024SP +167%

1.894 TFLOPS

GeForce GTX 285 Mac Edition

0.708 TFLOPS

Radeon R9 270 1024SP

VS

GeForce GTX 285 Mac Edition

Graphics Card

Mar 2015

Release Date

Jan 2009

Volcanic Islands

Generation

GeForce 200

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

900 MHz

Base Clock

-

925 MHz

Boost Clock

-

1200 MHz

Memory Clock

1242 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

512bit

153.6GB/s

Bandwidth

159.0GB/s

Render Config

16

Compute Units

-

SM Count

30

1024

Shading Units

240

64

TMUs

80

32

ROPs

32

-

16 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

256 KB

-

Theoretical Performance

29.60 GPixel/s

Pixel Rate

20.74 GPixel/s

59.20 GTexel/s

Texture Rate

51.84 GTexel/s

-

1.894 TFLOPS

FP32 (float)

708.5 GFLOPS

118.4 GFLOPS

FP64 (double)

88.56 GFLOPS

Board Design

150W

TDP

204W

450 W

Suggested PSU

550 W

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

Outputs

2x DVI 1x S-Video

1x 6-pin

Power Connectors

2x 6-pin

Graphics Processor

Pitcairn

GPU Name

GT200B

Pitcairn PRO (215-0828062)

GPU Variant

G200-350-B3

GCN 1.0

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

2.8 billion

Transistors

1.4 billion

212 mm²

Die Size

470 mm²

Graphics Features

12 (11_1)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

1.2

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

1.3

5.1

Shader Model

4.0

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