AMD Radeon HD 6790 vs AMD Radeon HD 6870 X2

VS

AMD Radeon HD 6790

AMD Radeon HD 6870 X2

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6790 and 1024MB VRAM Radeon HD 6870 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6790 's Advantages

Lower TDP (150W vs 300W)

AMD Radeon HD 6870 X2 's Advantages

320 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6790

1.344 TFLOPS

Radeon HD 6870 X2 +50%

2.016 TFLOPS

Radeon HD 6790

VS

Radeon HD 6870 X2

Graphics Card

Apr 2011

Release Date

Jul 2011

Northern Islands

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1050 MHz

Memory Clock

1050 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

134.4GB/s

Bandwidth

134.4GB/s

Render Config

10

Compute Units

14

-

800

Shading Units

1120

40

TMUs

56

16

ROPs

32

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

13.44 GPixel/s

Pixel Rate

28.80 GPixel/s

33.60 GTexel/s

Texture Rate

50.40 GTexel/s

-

1344 GFLOPS

FP32 (float)

2.016 TFLOPS

-

Board Design

150W

TDP

300W

450 W

Suggested PSU

700 W

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

Outputs

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

2x 6-pin

Power Connectors

-

Graphics Processor

Barts

GPU Name

Barts

Barts LE (215-0798002)

GPU Variant

Barts XT (215-0798000)

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.7 billion

Transistors

1.7 billion

255 mm²

Die Size

255 mm²

Graphics Features

11.2 (11_0)

DirectX

11.2 (11_0)

4.4

OpenGL

4.4

1.2

OpenCL

1.2

N/A

Vulkan

N/A

-

5.0

Shader Model

5.0

Related GPU Comparisons

1

AMD Radeon HD 6790 vs NVIDIA GeForce RTX 5070 Ti

2

AMD Radeon HD 6790 vs ATI Radeon HD 3850 X2

3

AMD Radeon HD 6790 vs AMD Radeon R5 340X OEM

4

AMD Radeon HD 6790 vs NVIDIA GeForce GTX 470 PhysX Edition

5

AMD Radeon HD 6790 vs NVIDIA GeForce 9400 GT

6

AMD Radeon HD 6790 vs ATI Radeon X1550

7

AMD Radeon HD 6790 vs NVIDIA GeForce 315 OEM

8

AMD Radeon HD 6790 vs NVIDIA Quadro FX 4000 SDI

9

AMD Radeon HD 6790 vs NVIDIA GeForce RTX 5090

10

AMD Radeon HD 6790 vs ATI Radeon X1700 FSC

Related News

1

The Commencement of ARM and Qualcomm Licensing Dispute Trial: Potential Major Impact on PC Market

2

NVIDIA Allegedly Equips RTX 5080 with 30Gbps Memory Speed, Other Models to Feature 28Gbps

3

Intel Reports High Return Rates for Devices Featuring Snapdragon X Series; Qualcomm Counters with 'Industry Standard' Claim

4

Intel Confirms Panther Lake Adopts 18A Process, ES0 Samples Already Sent to Customers

5

Complete Lineup of Core Ultra 200HX/H/U and Core 200H/U Revealed: 31 Models to Dazzle the Eyes

6

Amechi Unveils V1 Mini PC: Only 0.33L Volume with 150W Power Consumption

7

iPhone 17 Series Set for Major Design Overhaul: Camera Module Transformed into Sleek Strip

8

The Thinnest iPhone Ever! iPhone 17 Air Reportedly Enters Foxconn's NPI Stage

9

Apple Allegedly Cancels M4 Extreme, Originally Planned for Mac Pro with 64-Core CPU and 160-Core GPU

10

Cyberpunk 2077 Update 2.2: Intel Arrow Lake Gaming Performance Soars by 33%!