AMD Radeon HD 6850 X2 vs ATI Radeon HD 5450 PCIe x1

VS

AMD Radeon HD 6850 X2 ATI Radeon HD 5450 PCIe x1

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6850 X2 and 512MB VRAM Radeon HD 5450 PCIe x1 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6850 X2 's Advantages

Released 1 years and 7 months late

Larger VRAM bandwidth (134.4GB/s vs 8.000GB/s)

880 additional rendering cores

ATI Radeon HD 5450 PCIe x1 's Advantages

Lower TDP (19W vs 254W)

Score

Benchmark

FP32 (float)

Radeon HD 6850 X2 +1376%

1.536 TFLOPS

Radeon HD 5450 PCIe x1

0.104 TFLOPS

Radeon HD 6850 X2

VS

Radeon HD 5450 PCIe x1

Graphics Card

Sep 2011

Release Date

Feb 2010

Northern Islands

Generation

Evergreen

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x1

Clock Speeds

-

Base Clock

-

Boost Clock

-

1050 MHz

Memory Clock

500 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

64bit

134.4GB/s

Bandwidth

8.000GB/s

Render Config

-

SM Count

-

12

Compute Units

2

960

Shading Units

80

48

TMUs

8

32

ROPs

4

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

128 KB

Theoretical Performance

25.60 GPixel/s

Pixel Rate

2.600 GPixel/s

38.40 GTexel/s

Texture Rate

5.200 GTexel/s

-

FP16 (half)

-

1.536 TFLOPS

FP32 (float)

104.0 GFLOPS

-

FP64 (double)

-

Graphics Processor

Barts

GPU Name

Cedar

Barts PRO (215-0798006)

GPU Variant

Cedar PRO

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.7 billion

Transistors

0.292 billion

255 mm²

Die Size

59 mm²

Board Design

254W

TDP

19W

600 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

2x 8-pin

Power Connectors

-

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 Pro Duo Polaris vs AMD Radeon HD 6850 X2

2

AMD Radeon RX 6600 vs AMD Radeon HD 6850 X2

3

NVIDIA GeForce RTX 4090 vs AMD Radeon HD 6850 X2

4

NVIDIA GeForce GT 1030 vs AMD Radeon HD 6850 X2

5

NVIDIA GeForce GTX 960 vs AMD Radeon HD 6850 X2

6

AMD FireStream 9270 vs AMD Radeon HD 6850 X2

7

NVIDIA GeForce GTX 560 vs AMD Radeon HD 6850 X2

8

AMD Radeon HD 6850 X2 vs ATI Radeon HD 2400

9

AMD Radeon HD 6850 X2 vs AMD FirePro S9100

10

AMD Radeon HD 6850 X2 vs NVIDIA GeForce RTX 3080 Ti