AMD Radeon R7 265 vs AMD Radeon HD 7970 X2

VS

AMD Radeon R7 265

AMD Radeon HD 7970 X2

We compared two Desktop platform GPUs: 2GB VRAM Radeon R7 265 and 3GB VRAM Radeon HD 7970 X2 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 6 months late

Boost Clock925MHz

Lower TDP (150W vs 500W)

AMD Radeon HD 7970 X2 's Advantages

More VRAM (3GB vs 2GB)

Larger VRAM bandwidth (264.0GB/s vs 179.2GB/s)

1024 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R7 265

1.894 TFLOPS

Radeon HD 7970 X2 +100%

3.789 TFLOPS

Radeon R7 265

VS

Radeon HD 7970 X2

Graphics Card

Feb 2014

Release Date

Aug 2012

Volcanic Islands

Generation

Southern 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

1375 MHz

Memory

2GB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

384bit

179.2GB/s

Bandwidth

264.0GB/s

Render Config

16

Compute Units

32

-

1024

Shading Units

2048

64

TMUs

128

32

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

768 KB

-

Theoretical Performance

29.60 GPixel/s

Pixel Rate

29.60 GPixel/s

59.20 GTexel/s

Texture Rate

118.4 GTexel/s

-

1.894 TFLOPS

FP32 (float)

3.789 TFLOPS

118.4 GFLOPS

FP64 (double)

947.2 GFLOPS

Board Design

150W

TDP

500W

450 W

Suggested PSU

900 W

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

Outputs

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

1x 6-pin

Power Connectors

3x 8-pin

Graphics Processor

Pitcairn

GPU Name

New Zealand

Pitcairn PRO (215-0828062)

GPU Variant

-

GCN 1.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.8 billion

Transistors

4.313 billion

212 mm²

Die Size

352 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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