AMD Radeon R7 265 vs AMD Radeon HD 8870 OEM

VS

AMD Radeon R7 265

AMD Radeon HD 8870 OEM

We compared two Desktop platform GPUs: 2GB VRAM Radeon R7 265 and 2GB VRAM Radeon HD 8870 OEM 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

Larger VRAM bandwidth (179.2GB/s vs 153.6GB/s)

Lower TDP (150W vs 175W)

AMD Radeon HD 8870 OEM 's Advantages

256 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R7 265

1.894 TFLOPS

Radeon HD 8870 OEM +35%

2.56 TFLOPS

Radeon R7 265

VS

Radeon HD 8870 OEM

Graphics Card

Feb 2014

Release Date

Jan 2013

Volcanic Islands

Generation

Sea Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

900 MHz

Base Clock

-

925 MHz

Boost Clock

-

1400 MHz

Memory Clock

1200 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

179.2GB/s

Bandwidth

153.6GB/s

Render Config

16

Compute Units

20

-

1024

Shading Units

1280

64

TMUs

80

32

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

29.60 GPixel/s

Pixel Rate

32.00 GPixel/s

59.20 GTexel/s

Texture Rate

80.00 GTexel/s

-

1.894 TFLOPS

FP32 (float)

2.560 TFLOPS

118.4 GFLOPS

FP64 (double)

160.0 GFLOPS

Board Design

150W

TDP

175W

450 W

Suggested PSU

450 W

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

Outputs

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

1x 6-pin

Power Connectors

2x 6-pin

Graphics Processor

Pitcairn

GPU Name

Pitcairn

Pitcairn PRO (215-0828062)

GPU Variant

Pitcairn XT (215-0828047)

GCN 1.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.8 billion

Transistors

2.8 billion

212 mm²

Die Size

212 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

1.2

OpenCL

1.2

Vulkan

1.2

-

5.1

Shader Model

5.1

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