AMD Radeon HD 7670 OEM vs AMD Radeon HD 7790

VS

AMD Radeon HD 7670 OEM

AMD Radeon HD 7790

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 7670 OEM and 1024MB VRAM Radeon HD 7790 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7670 OEM 's Advantages

Lower TDP (66W vs 85W)

AMD Radeon HD 7790 's Advantages

Released 1 years and 2 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (96.00GB/s vs 64.00GB/s)

416 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7670 OEM

0.768 TFLOPS

Radeon HD 7790 +133%

1.792 TFLOPS

Radeon HD 7670 OEM

VS

Radeon HD 7790

Graphics Card

Jan 2012

Release Date

Mar 2013

Southern Islands

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

1500 MHz

Memory

512MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

64.00GB/s

Bandwidth

96.00GB/s

Render Config

6

Compute Units

14

-

480

Shading Units

896

24

TMUs

56

8

ROPs

16

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

6.400 GPixel/s

Pixel Rate

16.00 GPixel/s

19.20 GTexel/s

Texture Rate

56.00 GTexel/s

-

768.0 GFLOPS

FP32 (float)

1.792 TFLOPS

-

FP64 (double)

112.0 GFLOPS

Board Design

66W

TDP

85W

250 W

Suggested PSU

250 W

1x DVI 1x DisplayPort 1.1 1x VGA

Outputs

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

None

Power Connectors

1x 6-pin

Graphics Processor

Turks

GPU Name

Bonaire

Turks XT (215-0803000)

GPU Variant

Bonaire XT (215-0839039)

TeraScale 2

Architecture

GCN 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.716 billion

Transistors

2.08 billion

118 mm²

Die Size

160 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (12_0)

4.4

OpenGL

4.6

1.2

OpenCL

2.0

N/A

Vulkan

1.2

-

5.0

Shader Model

6.3

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