AMD Radeon HD 7790 vs ATI Radeon HD 5870

VS

AMD Radeon HD 7790

ATI Radeon HD 5870

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 7790 and 1024MB VRAM Radeon HD 5870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7790 's Advantages

Released 3 years and 6 months late

Lower TDP (85W vs 188W)

ATI Radeon HD 5870 's Advantages

Larger VRAM bandwidth (153.6GB/s vs 96.00GB/s)

704 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7790

1.792 TFLOPS

Radeon HD 5870 +51%

2.72 TFLOPS

Radeon HD 7790

VS

Radeon HD 5870

Graphics Card

Mar 2013

Release Date

Sep 2009

Southern Islands

Generation

Evergreen

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1500 MHz

Memory Clock

1200 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

96.00GB/s

Bandwidth

153.6GB/s

Render Config

14

Compute Units

20

-

896

Shading Units

1600

56

TMUs

80

16

ROPs

32

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

16.00 GPixel/s

Pixel Rate

27.20 GPixel/s

56.00 GTexel/s

Texture Rate

68.00 GTexel/s

-

1.792 TFLOPS

FP32 (float)

2.720 TFLOPS

112.0 GFLOPS

FP64 (double)

544.0 GFLOPS

Board Design

85W

TDP

188W

250 W

Suggested PSU

450 W

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

Outputs

2x DVI 1x HDMI 1.3a 1x DisplayPort 1.1

1x 6-pin

Power Connectors

2x 6-pin

Graphics Processor

Bonaire

GPU Name

Cypress

Bonaire XT (215-0839039)

GPU Variant

Cypress XT (215-0735033)

GCN 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

2.08 billion

Transistors

2.154 billion

160 mm²

Die Size

334 mm²

Graphics Features

12 (12_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.0

OpenCL

1.2

Vulkan

N/A

-

6.3

Shader Model

5.0

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