ATI Radeon HD 5870 vs AMD Radeon R7 265

VS

ATI Radeon HD 5870

AMD Radeon R7 265

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 5870 and 2GB VRAM Radeon R7 265 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 5870 's Advantages

576 additional rendering cores

AMD Radeon R7 265 's Advantages

Released 4 years and 5 months late

Boost Clock925MHz

More VRAM (2GB vs 1024GB)

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

Lower TDP (150W vs 188W)

Score

Benchmark

FP32 (float)

Radeon HD 5870 +43%

2.72 TFLOPS

Radeon R7 265

1.894 TFLOPS

Radeon HD 5870

VS

Radeon R7 265

Graphics Card

Sep 2009

Release Date

Feb 2014

Evergreen

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

900 MHz

-

Boost Clock

925 MHz

1200 MHz

Memory Clock

1400 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

153.6GB/s

Bandwidth

179.2GB/s

Render Config

20

Compute Units

16

-

1600

Shading Units

1024

80

TMUs

64

32

ROPs

32

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

27.20 GPixel/s

Pixel Rate

29.60 GPixel/s

68.00 GTexel/s

Texture Rate

59.20 GTexel/s

-

2.720 TFLOPS

FP32 (float)

1.894 TFLOPS

544.0 GFLOPS

FP64 (double)

118.4 GFLOPS

Board Design

188W

TDP

150W

450 W

Suggested PSU

450 W

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

Outputs

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

2x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

Cypress

GPU Name

Pitcairn

Cypress XT (215-0735033)

GPU Variant

Pitcairn PRO (215-0828062)

TeraScale 2

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

2.154 billion

Transistors

2.8 billion

334 mm²

Die Size

212 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_1)

4.4

OpenGL

4.6

1.2

OpenCL

1.2

N/A

Vulkan

1.2

-

5.0

Shader Model

5.1

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