AMD Radeon HD 6790 vs NVIDIA GeForce GTX 470 PhysX Edition

VS

AMD Radeon HD 6790

NVIDIA GeForce GTX 470 PhysX Edition

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6790 and 1280MB VRAM GeForce GTX 470 PhysX Edition 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 133.9GB/s)

352 additional rendering cores

Lower TDP (150W vs 215W)

NVIDIA GeForce GTX 470 PhysX Edition 's Advantages

More VRAM (1280GB vs 1024GB)

Score

Benchmark

FP32 (float)

Radeon HD 6790 +23%

1.344 TFLOPS

GeForce GTX 470 PhysX Edition

1.089 TFLOPS

Radeon HD 6790

VS

GeForce GTX 470 PhysX Edition

Graphics Card

Apr 2011

Release Date

Unknown

Northern Islands

Generation

GeForce 400

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1050 MHz

Memory Clock

837 MHz

Memory

1024MB

Memory Size

1280MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

320bit

134.4GB/s

Bandwidth

133.9GB/s

Render Config

10

Compute Units

-

SM Count

14

800

Shading Units

448

40

TMUs

56

16

ROPs

40

-

8 KB (per CU)

L1 Cache

64 KB (per SM)

512 KB

L2 Cache

640 KB

-

Theoretical Performance

13.44 GPixel/s

Pixel Rate

17.02 GPixel/s

33.60 GTexel/s

Texture Rate

34.05 GTexel/s

-

1344 GFLOPS

FP32 (float)

1089 GFLOPS

-

Board Design

150W

TDP

215W

450 W

Suggested PSU

550 W

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

Outputs

2x DVI 1x mini-HDMI 1.3a

2x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Barts

GPU Name

GT215

Barts LE (215-0798002)

GPU Variant

GT215-400-A2

TeraScale 2

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.7 billion

Transistors

0.727 billion

255 mm²

Die Size

144 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

2.0

5.0

Shader Model

5.1

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