ATI Radeon HD 5770 Mac Edition vs AMD Radeon HD 8990 OEM

VS

ATI Radeon HD 5770 Mac Edition

AMD Radeon HD 8990 OEM

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 5770 Mac Edition and 3GB VRAM Radeon HD 8990 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 5770 Mac Edition 's Advantages

Lower TDP (108W vs 375W)

AMD Radeon HD 8990 OEM 's Advantages

Released 2 years and 9 months late

Boost Clock1000MHz

More VRAM (3GB vs 1024GB)

Larger VRAM bandwidth (288.0GB/s vs 76.48GB/s)

1248 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 5770 Mac Edition

1.36 TFLOPS

Radeon HD 8990 OEM +201%

4.096 TFLOPS

Radeon HD 5770 Mac Edition

VS

Radeon HD 8990 OEM

Graphics Card

Jul 2010

Release Date

Apr 2013

Evergreen

Generation

Sea Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

950 MHz

-

Boost Clock

1000 MHz

1195 MHz

Memory Clock

1500 MHz

Memory

1024MB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

384bit

76.48GB/s

Bandwidth

288.0GB/s

Render Config

10

Compute Units

32

-

800

Shading Units

2048

40

TMUs

128

16

ROPs

32

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

768 KB

-

Theoretical Performance

13.60 GPixel/s

Pixel Rate

32.00 GPixel/s

34.00 GTexel/s

Texture Rate

128.0 GTexel/s

-

1360 GFLOPS

FP32 (float)

4.096 TFLOPS

-

FP64 (double)

1024 GFLOPS

Board Design

108W

TDP

375W

300 W

Suggested PSU

750 W

1x DVI 1x DisplayPort 1.1

Outputs

1x DVI 4x mini-DisplayPort 1.2

1x 6-pin

Power Connectors

2x 8-pin

Graphics Processor

Juniper

GPU Name

Malta

Juniper XT (215-0754013)

GPU Variant

Malta XT (215-0849026)

TeraScale 2

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.04 billion

Transistors

4.313 billion

166 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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