AMD Radeon HD 6790 vs NVIDIA GeForce GT 630

VS

AMD Radeon HD 6790

NVIDIA GeForce GT 630

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6790 and 1024MB VRAM GeForce GT 630 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6790 's Advantages

Larger VRAM bandwidth (134.4GB/s vs 28.80GB/s)

704 additional rendering cores

NVIDIA GeForce GT 630 's Advantages

Released 1 years and 1 months late

Lower TDP (65W vs 150W)

Score

Benchmark

FP32 (float)

Radeon HD 6790 +332%

1.344 TFLOPS

GeForce GT 630

0.311 TFLOPS

Radeon HD 6790

VS

GeForce GT 630

Graphics Card

Apr 2011

Release Date

May 2012

Northern Islands

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1050 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

128bit

134.4GB/s

Bandwidth

28.80GB/s

Render Config

10

Compute Units

-

SM Count

2

800

Shading Units

96

40

TMUs

16

ROPs

4

-

8 KB (per CU)

L1 Cache

64 KB (per SM)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

13.44 GPixel/s

Pixel Rate

3.240 GPixel/s

33.60 GTexel/s

Texture Rate

12.96 GTexel/s

-

1344 GFLOPS

FP32 (float)

311.0 GFLOPS

-

FP64 (double)

25.92 GFLOPS

Board Design

150W

TDP

65W

450 W

Suggested PSU

250 W

2x DVI 1x HDMI 1.3a 1x DisplayPort 1.1

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

2x 6-pin

Power Connectors

None

Graphics Processor

Barts

GPU Name

GF108

Barts LE (215-0798002)

GPU Variant

GF108-400-A1

TeraScale 2

Architecture

Fermi

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.7 billion

Transistors

0.585 billion

255 mm²

Die Size

116 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

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