AMD Radeon HD 6390 vs NVIDIA GeForce GT 630 Rev. 2 PCIe x8

VS

AMD Radeon HD 6390

NVIDIA GeForce GT 630 Rev. 2 PCIe x8

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6390 and 2GB VRAM GeForce GT 630 Rev. 2 PCIe x8 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6390 's Advantages

Larger VRAM bandwidth (16.00GB/s vs 14.40GB/s)

NVIDIA GeForce GT 630 Rev. 2 PCIe x8 's Advantages

Released 1 years and 10 months late

More VRAM (2GB vs 1024GB)

64 additional rendering cores

Lower TDP (25W vs 39W)

Score

Benchmark

FP32 (float)

Radeon HD 6390

0.352 TFLOPS

GeForce GT 630 Rev. 2 PCIe x8 +96%

0.693 TFLOPS

Radeon HD 6390

VS

GeForce GT 630 Rev. 2 PCIe x8

Graphics Card

Jul 2011

Release Date

May 2013

Northern Islands

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x8

Clock Speeds

-

500 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

2GB

DDR2

Memory Type

DDR3

128bit

Memory Bus

64bit

16.00GB/s

Bandwidth

14.40GB/s

Render Config

4

Compute Units

-

320

Shading Units

384

16

TMUs

32

8

ROPs

8

-

8 KB (per CU)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

4.400 GPixel/s

Pixel Rate

7.216 GPixel/s

8.800 GTexel/s

Texture Rate

28.86 GTexel/s

-

352.0 GFLOPS

FP32 (float)

692.7 GFLOPS

-

FP64 (double)

28.86 GFLOPS

Board Design

39W

TDP

25W

200 W

Suggested PSU

200 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

1x DVI 1x HDMI 1.4a 1x VGA

None

Power Connectors

None

Graphics Processor

Redwood

GPU Name

GK208

Redwood LE

GPU Variant

GK208-301-A1

TeraScale 2

Architecture

Kepler 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.627 billion

Transistors

1.02 billion

104 mm²

Die Size

87 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

3.5

5.0

Shader Model

5.1

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