ATI Radeon HD 5670 vs AMD Radeon HD 7990

VS

ATI Radeon HD 5670

AMD Radeon HD 7990

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 5670 and 3GB VRAM Radeon HD 7990 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 5670 's Advantages

Lower TDP (64W vs 375W)

AMD Radeon HD 7990 's Advantages

Released 3 years and 3 months late

Boost Clock1000MHz

More VRAM (3GB vs 1024GB)

Larger VRAM bandwidth (288.0GB/s vs 64.00GB/s)

1648 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 5670

0.62 TFLOPS

Radeon HD 7990 +560%

4.096 TFLOPS

Radeon HD 5670

VS

Radeon HD 7990

Graphics Card

Jan 2010

Release Date

Apr 2013

Evergreen

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

950 MHz

-

Boost Clock

1000 MHz

Memory Clock

1500 MHz

Memory

1024MB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

384bit

64.00GB/s

Bandwidth

288.0GB/s

Render Config

5

Compute Units

32

-

400

Shading Units

2048

20

TMUs

128

8

ROPs

32

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

768 KB

-

Theoretical Performance

6.200 GPixel/s

Pixel Rate

32.00 GPixel/s

15.50 GTexel/s

Texture Rate

128.0 GTexel/s

-

620.0 GFLOPS

FP32 (float)

4.096 TFLOPS

-

FP64 (double)

1024 GFLOPS

Board Design

64W

TDP

375W

250 W

Suggested PSU

750 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

1x DVI 4x mini-DisplayPort 1.2

None

Power Connectors

2x 8-pin

Graphics Processor

Redwood

GPU Name

Malta

Redwood XT (215-0757002)

GPU Variant

Malta XT (215-0849026)

TeraScale 2

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.627 billion

Transistors

4.313 billion

104 mm²

Die Size

365 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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