AMD Radeon HD 7470 OEM vs AMD Radeon HD 6790

VS

AMD Radeon HD 7470 OEM AMD Radeon HD 6790

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 7470 OEM and 1024MB VRAM Radeon HD 6790 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7470 OEM 's Advantages

Released 9 months late

Lower TDP (27W vs 150W)

AMD Radeon HD 6790 's Advantages

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

640 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7470 OEM

0.24 TFLOPS

Radeon HD 6790 +460%

1.344 TFLOPS

Radeon HD 7470 OEM

VS

Radeon HD 6790

Graphics Card

Jan 2012

Release Date

Apr 2011

Southern Islands

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

900 MHz

Memory Clock

1050 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

256bit

28.80GB/s

Bandwidth

134.4GB/s

Render Config

-

SM Count

-

2

Compute Units

10

160

Shading Units

800

8

TMUs

40

4

ROPs

16

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

128 KB

L2 Cache

512 KB

Theoretical Performance

3.000 GPixel/s

Pixel Rate

13.44 GPixel/s

6.000 GTexel/s

Texture Rate

33.60 GTexel/s

-

FP16 (half)

-

240.0 GFLOPS

FP32 (float)

1344 GFLOPS

-

FP64 (double)

-

Graphics Processor

Caicos

GPU Name

Barts

Khalidster

GPU Variant

Barts LE (215-0798002)

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.37 billion

Transistors

1.7 billion

67 mm²

Die Size

255 mm²

Board Design

27W

TDP

150W

200 W

Suggested PSU

450 W

1x DVI 1x DisplayPort 1.1

Outputs

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

None

Power Connectors

2x 6-pin

Graphics Features

11.2 (11_0)

DirectX

11.2 (11_0)

4.4

OpenGL

4.4

1.2

OpenCL

1.2

N/A

Vulkan

N/A

-

CUDA

-

5.0

Shader Model

5.0

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