AMD Radeon HD 6490 vs NVIDIA GeForce GT 640 OEM Rebrand

VS

AMD Radeon HD 6490

NVIDIA GeForce GT 640 OEM Rebrand

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6490 and 1536MB VRAM GeForce GT 640 OEM Rebrand to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6490 's Advantages

176 additional rendering cores

Lower TDP (39W vs 75W)

NVIDIA GeForce GT 640 OEM Rebrand 's Advantages

Released 9 months late

More VRAM (1536GB vs 1024GB)

Larger VRAM bandwidth (38.40GB/s vs 16.00GB/s)

Score

Benchmark

FP32 (float)

Radeon HD 6490

0.352 TFLOPS

GeForce GT 640 OEM Rebrand +17%

0.415 TFLOPS

Radeon HD 6490

VS

GeForce GT 640 OEM Rebrand

Graphics Card

Jul 2011

Release Date

Apr 2012

Northern Islands

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

500 MHz

Memory Clock

800 MHz

Memory

1024MB

Memory Size

1536MB

DDR2

Memory Type

DDR3

128bit

Memory Bus

192bit

16.00GB/s

Bandwidth

38.40GB/s

Render Config

4

Compute Units

-

SM Count

3

320

Shading Units

144

16

TMUs

24

8

ROPs

24

-

8 KB (per CU)

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

384 KB

-

Theoretical Performance

4.400 GPixel/s

Pixel Rate

4.320 GPixel/s

8.800 GTexel/s

Texture Rate

17.28 GTexel/s

-

352.0 GFLOPS

FP32 (float)

414.7 GFLOPS

-

FP64 (double)

34.56 GFLOPS

Board Design

39W

TDP

75W

200 W

Suggested PSU

250 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

2x DVI 1x mini-HDMI 1.3a

None

Power Connectors

None

Graphics Processor

Redwood

GPU Name

GF116

Redwood LE

GPU Variant

GF116-150-A1

TeraScale 2

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.627 billion

Transistors

1.17 billion

104 mm²

Die Size

238 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_0)

4.4

OpenGL

4.6

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

2.1

5.0

Shader Model

5.1

Related GPU Comparisons

1

AMD Radeon HD 6490 vs NVIDIA GeForce 9800 GTX

2

AMD Radeon HD 6490 vs ATI FirePro V5700

3

AMD Radeon HD 6490 vs NVIDIA GeForce GTX 560 Ti 448

4

AMD Radeon HD 6490 vs NVIDIA GeForce GTX 750 GM206

5

AMD Radeon HD 6490 vs ATI Radeon HD 4850 X2

6

AMD Radeon HD 6490 vs NVIDIA GeForce 8800 Ultra

7

AMD Radeon HD 6490 vs AMD Radeon Pro 5300

8

AMD Radeon HD 6490 vs NVIDIA GeForce RTX 3070 Ti

9

AMD Radeon HD 6490 vs AMD Radeon Pro 5700 XT

10

AMD Radeon HD 6490 vs AMD Radeon R9 285

Related News

1

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

2

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

3

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

4

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

5

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

6

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

7

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

8

Intel Finally Achieves Frame Generation! 'F1 24' Becomes the First XeSS 2 Game

9

World's First! Intel Arc B580 Graphics Card Arrives Early

10

Linux Creator Criticizes AMD and Intel's x86 Microarchitecture: A Complete Disaster