AMD Radeon HD 6490 vs NVIDIA GeForce GTX 670

VS

AMD Radeon HD 6490

NVIDIA GeForce GTX 670

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6490 and 2GB VRAM GeForce GTX 670 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6490 's Advantages

Lower TDP (39W vs 170W)

NVIDIA GeForce GTX 670 's Advantages

Released 10 months late

Boost Clock980MHz

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (192.3GB/s vs 16.00GB/s)

1024 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6490

0.352 TFLOPS

GeForce GTX 670 +648%

2.634 TFLOPS

Radeon HD 6490

VS

GeForce GTX 670

Graphics Card

Jul 2011

Release Date

May 2012

Northern Islands

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

915 MHz

-

Boost Clock

980 MHz

500 MHz

Memory Clock

1502 MHz

Memory

1024MB

Memory Size

2GB

DDR2

Memory Type

GDDR5

128bit

Memory Bus

256bit

16.00GB/s

Bandwidth

192.3GB/s

Render Config

4

Compute Units

-

320

Shading Units

1344

16

TMUs

112

8

ROPs

32

-

8 KB (per CU)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

4.400 GPixel/s

Pixel Rate

27.44 GPixel/s

8.800 GTexel/s

Texture Rate

109.8 GTexel/s

-

352.0 GFLOPS

FP32 (float)

2.634 TFLOPS

-

FP64 (double)

109.8 GFLOPS

Board Design

39W

TDP

170W

200 W

Suggested PSU

450 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

None

Power Connectors

2x 6-pin

Graphics Processor

Redwood

GPU Name

GK104

Redwood LE

GPU Variant

GK104-325-A2

TeraScale 2

Architecture

Kepler

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.627 billion

Transistors

3.54 billion

104 mm²

Die Size

294 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_0)

4.4

OpenGL

4.6

1.2

OpenCL

3.0

N/A

Vulkan

1.1

-

CUDA

3.0

5.0

Shader Model

5.1

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