ATI Radeon HD 5970 vs AMD Radeon R7 265X OEM

VS

ATI Radeon HD 5970

AMD Radeon R7 265X OEM

We compared two Desktop platform GPUs: 1024MB VRAM ATI Radeon HD 5970 and 2GB VRAM Radeon R7 265X OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 5970 's Advantages

320 additional rendering cores

AMD Radeon R7 265X OEM 's Advantages

Released 4 years and 9 months late

Boost Clock925MHz

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (179.2GB/s vs 128.0GB/s)

Lower TDP (150W vs 294W)

Score

Benchmark

FP32 (float)

ATI Radeon HD 5970

2.32 TFLOPS

Radeon R7 265X OEM +2%

2.368 TFLOPS

ATI Radeon HD 5970

VS

Radeon R7 265X OEM

Graphics Card

Nov 2009

Release Date

Aug 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

1000 MHz

Memory Clock

1400 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

128.0GB/s

Bandwidth

179.2GB/s

Render Config

20

Compute Units

20

-

1600

Shading Units

1280

80

TMUs

80

32

ROPs

32

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

23.20 GPixel/s

Pixel Rate

29.60 GPixel/s

58.00 GTexel/s

Texture Rate

74.00 GTexel/s

-

2.320 TFLOPS

FP32 (float)

2.368 TFLOPS

464.0 GFLOPS

FP64 (double)

148.0 GFLOPS

Board Design

294W

TDP

150W

600 W

Suggested PSU

450 W

2x DVI 1x mini-DisplayPort 1.1

Outputs

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

1x 6-pin + 1x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

Hemlock

GPU Name

Curacao

Hemlock XT (215-0735075)

GPU Variant

Curacao PRO (215-0848000)

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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