AMD Radeon HD 7790 vs AMD Radeon Pro Duo

VS

AMD Radeon HD 7790

AMD Radeon Pro Duo

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 7790 and 4GB VRAM Radeon Pro Duo to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7790 's Advantages

Lower TDP (85W vs 350W)

AMD Radeon Pro Duo 's Advantages

Released 3 years and 1 months late

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (512.0GB/s vs 96.00GB/s)

3200 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7790

1.792 TFLOPS

Radeon Pro Duo +357%

8.192 TFLOPS

Radeon HD 7790

VS

Radeon Pro Duo

Graphics Card

Mar 2013

Release Date

Apr 2016

Southern Islands

Generation

Radeon Pro

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1500 MHz

Memory Clock

500 MHz

Memory

1024MB

Memory Size

4GB

GDDR5

Memory Type

HBM

128bit

Memory Bus

4096bit

96.00GB/s

Bandwidth

512.0GB/s

Render Config

14

Compute Units

64

-

896

Shading Units

4096

56

TMUs

256

16

ROPs

64

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

2 MB

-

Theoretical Performance

16.00 GPixel/s

Pixel Rate

64.00 GPixel/s

56.00 GTexel/s

Texture Rate

256.0 GTexel/s

-

FP16 (half)

8.192 TFLOPS

1.792 TFLOPS

FP32 (float)

8.192 TFLOPS

112.0 GFLOPS

FP64 (double)

512.0 GFLOPS

Board Design

85W

TDP

350W

250 W

Suggested PSU

750 W

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

Outputs

1x HDMI 1.4a 3x DisplayPort 1.2

1x 6-pin

Power Connectors

3x 8-pin

Graphics Processor

Bonaire

GPU Name

Capsaicin

Bonaire XT (215-0839039)

GPU Variant

Capsaicin XT

GCN 2.0

Architecture

GCN 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.08 billion

Transistors

8.9 billion

160 mm²

Die Size

596 mm²

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.0

OpenCL

2.0

1.2

Vulkan

1.2

-

6.3

Shader Model

6.0

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