ATI Radeon HD 4770 vs AMD Radeon HD 6490

VS

ATI Radeon HD 4770

AMD Radeon HD 6490

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4770 and 1024MB VRAM Radeon HD 6490 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4770 's Advantages

Larger VRAM bandwidth (51.20GB/s vs 16.00GB/s)

320 additional rendering cores

AMD Radeon HD 6490 's Advantages

Released 2 years and 3 months late

More VRAM (1024GB vs 512GB)

Lower TDP (39W vs 80W)

Score

Benchmark

FP32 (float)

Radeon HD 4770 +172%

0.96 TFLOPS

Radeon HD 6490

0.352 TFLOPS

Radeon HD 4770

VS

Radeon HD 6490

Graphics Card

Apr 2009

Release Date

Jul 2011

Radeon R700

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

800 MHz

Memory Clock

500 MHz

Memory

512MB

Memory Size

1024MB

GDDR5

Memory Type

DDR2

128bit

Memory Bus

128bit

51.20GB/s

Bandwidth

16.00GB/s

Render Config

8

Compute Units

4

-

640

Shading Units

320

32

TMUs

16

ROPs

8

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

12.00 GPixel/s

Pixel Rate

4.400 GPixel/s

24.00 GTexel/s

Texture Rate

8.800 GTexel/s

-

960.0 GFLOPS

FP32 (float)

352.0 GFLOPS

192.0 GFLOPS

FP64 (double)

-

Board Design

80W

TDP

39W

250 W

Suggested PSU

200 W

2x DVI 1x S-Video

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

1x 6-pin

Power Connectors

None

Graphics Processor

RV740

GPU Name

Redwood

RV740 XT (215-0727019)

GPU Variant

Redwood LE

TeraScale

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.826 billion

Transistors

0.627 billion

137 mm²

Die Size

104 mm²

Graphics Features

10.1 (10_1)

DirectX

11.2 (11_0)

3.3

OpenGL

4.4

1.1

OpenCL

1.2

N/A

Vulkan

N/A

-

4.1

Shader Model

5.0

Related GPU Comparisons

1

ATI Radeon HD 4770 vs Intel Arc Pro A60

2

ATI Radeon HD 4770 vs NVIDIA GeForce GTX 560 Ti X2

3

ATI Radeon HD 4770 vs ATI Radeon HD 4650

4

ATI Radeon HD 4770 vs AMD Radeon R7 350 640SP

5

ATI Radeon HD 4770 vs NVIDIA GeForce 9500 GS Rev. 2

6

ATI Radeon HD 4770 vs AMD Radeon RX 7900 XT

7

ATI Radeon HD 4770 vs ATI Radeon X1950 PRO DUAL

8

ATI Radeon HD 4770 vs ATI Radeon X800 GTO

9

ATI Radeon HD 4770 vs ATI Radeon HD 3550

10

ATI Radeon HD 4770 vs NVIDIA GeForce GTX 650 Ti

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%!