AMD Radeon HD 6790 vs AMD Radeon R7 240

VS

AMD Radeon HD 6790

AMD Radeon R7 240

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6790 and 2GB VRAM Radeon R7 240 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)

480 additional rendering cores

AMD Radeon R7 240 's Advantages

Released 2 years and 6 months late

Boost Clock780MHz

More VRAM (2GB vs 1024GB)

Lower TDP (30W vs 150W)

Score

Benchmark

FP32 (float)

Radeon HD 6790 +169%

1.344 TFLOPS

Radeon R7 240

0.499 TFLOPS

Radeon HD 6790

VS

Radeon R7 240

Graphics Card

Apr 2011

Release Date

Oct 2013

Northern Islands

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

730 MHz

-

Boost Clock

780 MHz

1050 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

128bit

134.4GB/s

Bandwidth

28.80GB/s

Render Config

10

Compute Units

5

-

800

Shading Units

320

40

TMUs

20

16

ROPs

8

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

13.44 GPixel/s

Pixel Rate

6.240 GPixel/s

33.60 GTexel/s

Texture Rate

15.60 GTexel/s

-

1344 GFLOPS

FP32 (float)

499.2 GFLOPS

-

Board Design

150W

TDP

30W

450 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x HDMI 1.4a 1x VGA

2x 6-pin

Power Connectors

None

Graphics Processor

Barts

GPU Name

Oland

Barts LE (215-0798002)

GPU Variant

Oland PRO (215-0837015)

TeraScale 2

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.7 billion

Transistors

0.95 billion

255 mm²

Die Size

77 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_1)

4.4

OpenGL

4.6

1.2

OpenCL

1.2

N/A

Vulkan

1.2

-

5.0

Shader Model

5.1

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