AMD Radeon HD 6790 vs AMD Radeon RX 470

VS

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6790 and 4GB VRAM Radeon RX 470 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 470 's Advantages

Released 5 years and 4 months late

Boost Clock1206MHz

More VRAM (4GB vs 1GB)

Larger VRAM bandwidth (211.2GB/s vs 134.4GB/s)

1248 additional rendering cores

Lower TDP (120W vs 150W)

Score

Benchmark

FP32 (float)

Radeon HD 6790

1.344 TFLOPS

Radeon RX 470 +267%

4.94 TFLOPS

Radeon HD 6790

VS

Radeon RX 470

Graphics Card

Apr 2011

Release Date

Aug 2016

Northern Islands

Generation

Arctic Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

926 MHz

-

Boost Clock

1206 MHz

1050 MHz

Memory Clock

1650 MHz

Memory

1024MB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

134.4GB/s

Bandwidth

211.2GB/s

Render Config

-

SM Count

-

10

Compute Units

32

800

Shading Units

2048

40

TMUs

128

16

ROPs

32

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

2 MB

Theoretical Performance

13.44 GPixel/s

Pixel Rate

38.59 GPixel/s

33.60 GTexel/s

Texture Rate

154.4 GTexel/s

-

FP16 (half)

4.940 TFLOPS

1344 GFLOPS

FP32 (float)

4.940 TFLOPS

-

FP64 (double)

308.7 GFLOPS

Graphics Processor

Barts

GPU Name

Ellesmere

Barts LE (215-0798002)

GPU Variant

Polaris 10 PRO (215-0876204)

TeraScale 2

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

40 nm

Process Size

14 nm

1.7 billion

Transistors

5.7 billion

255 mm²

Die Size

232 mm²

Board Design

150W

TDP

120W

450 W

Suggested PSU

300 W

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

Outputs

1x HDMI 2.0b 3x DisplayPort 1.4a

2x 6-pin

Power Connectors

1x 6-pin

Graphics Features

11.2 (11_0)

DirectX

12 (12_0)

4.4

OpenGL

4.6

1.2

OpenCL

2.1

N/A

Vulkan

1.2

-

CUDA

-

5.0

Shader Model

6.4

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