AMD Radeon HD 6790 vs ATI Radeon HD 4670 X2

VS

AMD Radeon HD 6790 ATI Radeon HD 4670 X2

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6790 and 512MB VRAM Radeon HD 4670 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6790 's Advantages

Released 2 years and 7 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (134.4GB/s vs 22.40GB/s)

480 additional rendering cores

ATI Radeon HD 4670 X2 's Advantages

Lower TDP (118W vs 150W)

Score

Benchmark

FP32 (float)

Radeon HD 6790 +180%

1.344 TFLOPS

Radeon HD 4670 X2

0.48 TFLOPS

Radeon HD 6790

VS

Radeon HD 4670 X2

Graphics Card

Apr 2011

Release Date

Sep 2008

Northern Islands

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1050 MHz

Memory Clock

700 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

128bit

134.4GB/s

Bandwidth

22.40GB/s

Render Config

-

SM Count

-

10

Compute Units

4

800

Shading Units

320

40

TMUs

32

16

ROPs

8

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

128 KB

Theoretical Performance

13.44 GPixel/s

Pixel Rate

6.000 GPixel/s

33.60 GTexel/s

Texture Rate

24.00 GTexel/s

-

FP16 (half)

-

1344 GFLOPS

FP32 (float)

480.0 GFLOPS

-

FP64 (double)

-

Graphics Processor

Barts

GPU Name

RV730

Barts LE (215-0798002)

GPU Variant

RV730 XT (215-0719047)

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

1.7 billion

Transistors

0.514 billion

255 mm²

Die Size

146 mm²

Board Design

150W

TDP

118W

450 W

Suggested PSU

300 W

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

Outputs

4x DVI

2x 6-pin

Power Connectors

1x 6-pin

Graphics Features

11.2 (11_0)

DirectX

10.1 (10_1)

4.4

OpenGL

3.3

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

-

5.0

Shader Model

4.1

Related GPU Comparisons

1

NVIDIA GeForce GTX 560 Ti 448 vs AMD Radeon HD 6790

2

AMD Radeon HD 6450 OEM vs AMD Radeon HD 6790

3

NVIDIA GeForce GT 705 OEM vs AMD Radeon HD 6790

4

NVIDIA GeForce GTX 560 Ti vs AMD Radeon HD 6790

5

NVIDIA GeForce RTX 4090D vs AMD Radeon HD 6790

6

NVIDIA GeForce GTX 550 Ti vs AMD Radeon HD 6790

7

AMD Radeon HD 8870 OEM vs AMD Radeon HD 6790

8

AMD Radeon HD 6790 vs AMD Radeon HD 8990 OEM

9

AMD Radeon HD 6790 vs NVIDIA GeForce GTX 780 Ti Engineering Sample

10

AMD Radeon HD 6790 vs NVIDIA GeForce RTX 2070 SUPER