AMD Radeon R7 265 vs ATI Radeon HD 3830

VS

AMD Radeon R7 265

ATI Radeon HD 3830

We compared two Desktop platform GPUs: 2GB VRAM Radeon R7 265 and 256MB VRAM Radeon HD 3830 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R7 265 's Advantages

Released 5 years and 10 months late

Boost Clock925MHz

More VRAM (2GB vs 256GB)

Larger VRAM bandwidth (179.2GB/s vs 26.50GB/s)

704 additional rendering cores

ATI Radeon HD 3830 's Advantages

Lower TDP (75W vs 150W)

Score

Benchmark

FP32 (float)

Radeon R7 265 +342%

1.894 TFLOPS

Radeon HD 3830

0.428 TFLOPS

Radeon R7 265

VS

Radeon HD 3830

Graphics Card

Feb 2014

Release Date

Apr 2008

Volcanic Islands

Generation

Radeon R600

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

828 MHz

Memory

2GB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

128bit

179.2GB/s

Bandwidth

26.50GB/s

Render Config

16

Compute Units

4

-

1024

Shading Units

320

64

TMUs

16

32

ROPs

16

-

16 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

128 KB

-

Theoretical Performance

29.60 GPixel/s

Pixel Rate

10.69 GPixel/s

59.20 GTexel/s

Texture Rate

10.69 GTexel/s

-

1.894 TFLOPS

FP32 (float)

427.5 GFLOPS

118.4 GFLOPS

FP64 (double)

85.50 GFLOPS

Board Design

150W

TDP

75W

450 W

Suggested PSU

250 W

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

Outputs

No outputs

1x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

Pitcairn

GPU Name

RV670

Pitcairn PRO (215-0828062)

GPU Variant

RV670 PRO (215-0708003)

GCN 1.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

2.8 billion

Transistors

0.666 billion

212 mm²

Die Size

192 mm²

Graphics Features

12 (11_1)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3 (full) 4.0 (partial)

1.2

OpenCL

N/A

1.2

Vulkan

N/A

-

5.1

Shader Model

4.1

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