AMD Radeon HD 7990 vs ATI Radeon HD 5670

VS

AMD Radeon HD 7990

ATI Radeon HD 5670

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

Main Differences

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

ATI Radeon HD 5670 's Advantages

Lower TDP (64W vs 375W)

Score

Benchmark

FP32 (float)

Radeon HD 7990 +560%

4.096 TFLOPS

Radeon HD 5670

0.62 TFLOPS

Radeon HD 7990

VS

Radeon HD 5670

Graphics Card

Apr 2013

Release Date

Jan 2010

Southern Islands

Generation

Evergreen

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

950 MHz

Base Clock

-

1000 MHz

Boost Clock

-

1500 MHz

Memory Clock

1000 MHz

Memory

3GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

128bit

288.0GB/s

Bandwidth

64.00GB/s

Render Config

32

Compute Units

5

-

2048

Shading Units

400

128

TMUs

20

32

ROPs

8

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

768 KB

L2 Cache

256 KB

-

Theoretical Performance

32.00 GPixel/s

Pixel Rate

6.200 GPixel/s

128.0 GTexel/s

Texture Rate

15.50 GTexel/s

-

4.096 TFLOPS

FP32 (float)

620.0 GFLOPS

1024 GFLOPS

FP64 (double)

-

Board Design

375W

TDP

64W

750 W

Suggested PSU

250 W

1x DVI 4x mini-DisplayPort 1.2

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

2x 8-pin

Power Connectors

None

Graphics Processor

Malta

GPU Name

Redwood

Malta XT (215-0849026)

GPU Variant

Redwood XT (215-0757002)

GCN 1.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

4.313 billion

Transistors

0.627 billion

365 mm²

Die Size

104 mm²

Graphics Features

12 (11_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

1.2

OpenCL

1.2

Vulkan

N/A

-

5.1

Shader Model

5.0

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