AMD Radeon HD 6850 vs AMD Radeon HD 6450

VS

AMD Radeon HD 6850

AMD Radeon HD 6450

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6850 and 512MB VRAM Radeon HD 6450 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6850 's Advantages

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (128.0GB/s vs 25.60GB/s)

800 additional rendering cores

AMD Radeon HD 6450 's Advantages

Released 6 months late

Lower TDP (18W vs 127W)

Score

Benchmark

FP32 (float)

Radeon HD 6850 +644%

1.488 TFLOPS

Radeon HD 6450

0.2 TFLOPS

Radeon HD 6850

VS

Radeon HD 6450

Graphics Card

Oct 2010

Release Date

Apr 2011

Northern Islands

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

800 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

64bit

128.0GB/s

Bandwidth

25.60GB/s

Render Config

12

Compute Units

2

-

960

Shading Units

160

48

TMUs

8

32

ROPs

4

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

128 KB

-

Theoretical Performance

24.80 GPixel/s

Pixel Rate

2.500 GPixel/s

37.20 GTexel/s

Texture Rate

5.000 GTexel/s

-

1488 GFLOPS

FP32 (float)

200.0 GFLOPS

-

Board Design

127W

TDP

18W

300 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

1x 6-pin

Power Connectors

None

Graphics Processor

Barts

GPU Name

Caicos

Barts PRO (215-0798006)

GPU Variant

Caicos PRO

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.7 billion

Transistors

0.37 billion

255 mm²

Die Size

67 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 6850 vs AMD FirePro W600

2

AMD Radeon HD 6850 vs NVIDIA T1000 8 GB

3

AMD Radeon HD 6850 vs NVIDIA GeForce GTX 760 OEM

4

AMD Radeon HD 6850 vs ATI Radeon HD 4670

5

AMD Radeon HD 6850 vs AMD Radeon RX 580 OEM

6

AMD Radeon HD 6850 vs AMD Radeon R9 285X

7

AMD Radeon HD 6850 vs AMD FirePro W2100

8

AMD Radeon HD 6850 vs AMD Radeon RX 550 512SP

9

AMD Radeon HD 6850 vs NVIDIA GeForce 9800 GT Rebrand

10

AMD Radeon HD 6850 vs AMD Radeon RX 6750 GRE 10 GB

Related News

1

CXMT Reportedly Achieves 80% Yield in DDR5 Production

2

Intel Wildcat Lake Appears on Shipping List with FCBGA1516 Socket, Poised to Replace Alder Lake-N

3

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

4

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

5

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

6

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

7

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

8

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

9

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

10

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