AMD Radeon HD 6870 X2 vs AMD Radeon HD 6490

VS

AMD Radeon HD 6870 X2 AMD Radeon HD 6490

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6870 X2 and 1024MB VRAM Radeon HD 6490 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6870 X2 's Advantages

Larger VRAM bandwidth (134.4GB/s vs 16.00GB/s)

800 additional rendering cores

AMD Radeon HD 6490 's Advantages

Lower TDP (39W vs 300W)

Score

Benchmark

FP32 (float)

Radeon HD 6870 X2 +472%

2.016 TFLOPS

Radeon HD 6490

0.352 TFLOPS

Radeon HD 6870 X2

VS

Radeon HD 6490

Graphics Card

Jul 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

-

Base Clock

-

Boost Clock

-

1050 MHz

Memory Clock

500 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

DDR2

256bit

Memory Bus

128bit

134.4GB/s

Bandwidth

16.00GB/s

Render Config

-

SM Count

-

14

Compute Units

4

1120

Shading Units

320

56

TMUs

16

32

ROPs

8

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

256 KB

Theoretical Performance

28.80 GPixel/s

Pixel Rate

4.400 GPixel/s

50.40 GTexel/s

Texture Rate

8.800 GTexel/s

-

FP16 (half)

-

2.016 TFLOPS

FP32 (float)

352.0 GFLOPS

-

FP64 (double)

-

Graphics Processor

Barts

GPU Name

Redwood

Barts XT (215-0798000)

GPU Variant

Redwood LE

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.7 billion

Transistors

0.627 billion

255 mm²

Die Size

104 mm²

Board Design

300W

TDP

39W

700 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

-

Power Connectors

None

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

-

CUDA

-

5.0

Shader Model

5.0

Related GPU Comparisons

1

AMD Radeon HD 6870 X2 vs ATI Radeon X1600 XT Dual

2

AMD Radeon HD 6870 X2 vs AMD Radeon R9 Nano

3

AMD Radeon HD 6870 X2 vs NVIDIA GeForce GTX 460 X2

4

AMD Radeon HD 6870 X2 vs ATI Radeon HD 4550

5

AMD Radeon HD 6870 X2 vs NVIDIA A16 PCIe

6

AMD Radeon HD 6870 X2 vs AMD Radeon HD 7750

7

AMD Radeon HD 6870 X2 vs Intel Arc A380

8

AMD Radeon HD 6870 X2 vs NVIDIA GeForce GTX 260 Rev. 2

9

AMD Radeon HD 6870 X2 vs AMD Radeon HD 8550 OEM

10

AMD Radeon HD 6870 X2 vs NVIDIA GeForce RTX 4070 Ti SUPER

Related News

1

Intel Z890 Motherboard Specs Leaked: Farewell to DDR4 Memory

2

AMD Ryzen 9000 Series Now Available for Pre-order in Europe: 9950X Priced at €660, Shipping by August 2

3

AMD's Latest Breakthrough Technology Could Change the Game in the Future

4

Researchers Utilize NVIDIA Omniverse Platform to Analyze and Improve 3D Stacked Chip Designs

5

TSMC to Receive Over 60 EUV Lithography Machines Over the Next Two Years, Investing More Than $12.3 Billion

6

Samsung's Own 3nm Yield is Disheartening: Galaxy S25 May Introduce MediaTek for the First Time

7

AMD Ryzen 9000 DDR5 Memory Frequency Soars: Reaches 8000MHz with All Four Slots Occupied

8

Snapdragon 8 Gen 4 to Feature Frame Interpolation for GPU: A Game-Changing Experience

9

Intel Adds 5 New Device IDs to Latest Linux Xe Kernel in Preparation for Battlemage

10

Ryzen AI 9 365 Benchmark Results Leaked: Significant Improvements in Multi-Core and IPC Performance Over Previous Generation