AMD Radeon HD 7990 vs ATI Radeon HD 5770 Mac Edition

VS

AMD Radeon HD 7990 ATI Radeon HD 5770 Mac Edition

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7990 and 1024MB VRAM Radeon HD 5770 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7990 's Advantages

Released 2 years and 9 months late

Boost Clock1000MHz

More VRAM (3GB vs 1GB)

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

1248 additional rendering cores

ATI Radeon HD 5770 Mac Edition 's Advantages

Lower TDP (108W vs 375W)

Score

Benchmark

FP32 (float)

Radeon HD 7990 +201%

4.096 TFLOPS

Radeon HD 5770 Mac Edition

1.36 TFLOPS

Radeon HD 7990

VS

Radeon HD 5770 Mac Edition

Graphics Card

Apr 2013

Release Date

Jul 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

1195 MHz

Memory

3GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

128bit

288.0GB/s

Bandwidth

76.48GB/s

Render Config

-

SM Count

-

32

Compute Units

10

2048

Shading Units

800

128

TMUs

40

32

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

768 KB

L2 Cache

256 KB

Theoretical Performance

32.00 GPixel/s

Pixel Rate

13.60 GPixel/s

128.0 GTexel/s

Texture Rate

34.00 GTexel/s

-

FP16 (half)

-

4.096 TFLOPS

FP32 (float)

1360 GFLOPS

1024 GFLOPS

FP64 (double)

-

Graphics Processor

Malta

GPU Name

Juniper

Malta XT (215-0849026)

GPU Variant

Juniper XT (215-0754013)

GCN 1.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

4.313 billion

Transistors

1.04 billion

365 mm²

Die Size

166 mm²

Board Design

375W

TDP

108W

750 W

Suggested PSU

300 W

1x DVI 4x mini-DisplayPort 1.2

Outputs

1x DVI 1x DisplayPort 1.1

2x 8-pin

Power Connectors

1x 6-pin

Graphics Features

12 (11_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

1.2

OpenCL

1.2

Vulkan

N/A

-

CUDA

-

5.1

Shader Model

5.0

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