AMD Radeon R7 265 vs AMD Radeon HD 6870 1600SP Edition

VS

AMD Radeon R7 265

AMD Radeon HD 6870 1600SP Edition

We compared two Desktop platform GPUs: 2GB VRAM Radeon R7 265 and 1024MB VRAM Radeon HD 6870 1600SP Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R7 265 's Advantages

Released 1 years and 1 months late

Boost Clock925MHz

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (179.2GB/s vs 134.4GB/s)

Lower TDP (150W vs 175W)

AMD Radeon HD 6870 1600SP Edition 's Advantages

576 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R7 265

1.894 TFLOPS

Radeon HD 6870 1600SP Edition +43%

2.72 TFLOPS

Radeon R7 265

VS

Radeon HD 6870 1600SP Edition

Graphics Card

Feb 2014

Release Date

Jan 2013

Volcanic Islands

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

900 MHz

Base Clock

-

925 MHz

Boost Clock

-

1400 MHz

Memory Clock

1050 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

179.2GB/s

Bandwidth

134.4GB/s

Render Config

16

Compute Units

20

-

1024

Shading Units

1600

64

TMUs

80

32

ROPs

32

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

29.60 GPixel/s

Pixel Rate

27.20 GPixel/s

59.20 GTexel/s

Texture Rate

68.00 GTexel/s

-

1.894 TFLOPS

FP32 (float)

2.720 TFLOPS

118.4 GFLOPS

FP64 (double)

544.0 GFLOPS

Board Design

150W

TDP

175W

450 W

Suggested PSU

450 W

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

Outputs

2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1

1x 6-pin

Power Connectors

2x 6-pin

Graphics Processor

Pitcairn

GPU Name

Cypress

Pitcairn PRO (215-0828062)

GPU Variant

Cypress XT (215-0735033)

GCN 1.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

2.8 billion

Transistors

2.154 billion

212 mm²

Die Size

334 mm²

Graphics Features

12 (11_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

1.2

OpenCL

1.2

Vulkan

N/A

-

5.1

Shader Model

5.0

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