AMD Radeon R7 260X vs AMD Radeon HD 7790

VS

We compared two Desktop platform GPUs: 2GB VRAM Radeon R7 260X and 1024MB VRAM Radeon HD 7790 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R7 260X 's Advantages

Released 7 months late

More VRAM (2GB vs 1GB)

Larger VRAM bandwidth (104.0GB/s vs 96.00GB/s)

AMD Radeon HD 7790 's Advantages

Lower TDP (85W vs 115W)

Score

Benchmark

FP32 (float)

Radeon R7 260X +9%

1.971 TFLOPS

Radeon HD 7790

1.792 TFLOPS

Radeon R7 260X

VS

Radeon HD 7790

Graphics Card

Oct 2013

Release Date

Mar 2013

Volcanic Islands

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1625 MHz

Memory Clock

1500 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

104.0GB/s

Bandwidth

96.00GB/s

Render Config

-

SM Count

-

14

Compute Units

14

896

Shading Units

896

56

TMUs

56

16

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

Theoretical Performance

17.60 GPixel/s

Pixel Rate

16.00 GPixel/s

61.60 GTexel/s

Texture Rate

56.00 GTexel/s

-

FP16 (half)

-

1.971 TFLOPS

FP32 (float)

1.792 TFLOPS

123.2 GFLOPS

FP64 (double)

112.0 GFLOPS

Graphics Processor

Bonaire

GPU Name

Bonaire

Bonaire XTX (215-0839097)

GPU Variant

Bonaire XT (215-0839039)

GCN 2.0

Architecture

GCN 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.08 billion

Transistors

2.08 billion

160 mm²

Die Size

160 mm²

Board Design

115W

TDP

85W

300 W

Suggested PSU

250 W

2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

Outputs

1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2

1x 6-pin

Power Connectors

1x 6-pin

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.0

OpenCL

2.0

1.2

Vulkan

1.2

-

CUDA

-

6.3

Shader Model

6.3

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