AMD Radeon HD 7790 vs AMD Radeon R7 250X

VS

AMD Radeon HD 7790

AMD Radeon R7 250X

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 7790 and 1024MB VRAM Radeon R7 250X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7790 's Advantages

Larger VRAM bandwidth (96.00GB/s vs 72.00GB/s)

256 additional rendering cores

AMD Radeon R7 250X 's Advantages

Released 11 months late

Lower TDP (80W vs 85W)

Score

Benchmark

FP32 (float)

Radeon HD 7790 +47%

1.792 TFLOPS

Radeon R7 250X

1.216 TFLOPS

Radeon HD 7790

VS

Radeon R7 250X

Graphics Card

Mar 2013

Release Date

Feb 2014

Southern Islands

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1500 MHz

Memory Clock

1125 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

96.00GB/s

Bandwidth

72.00GB/s

Render Config

14

Compute Units

10

-

896

Shading Units

640

56

TMUs

40

16

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

16.00 GPixel/s

Pixel Rate

15.20 GPixel/s

56.00 GTexel/s

Texture Rate

38.00 GTexel/s

-

1.792 TFLOPS

FP32 (float)

1216 GFLOPS

112.0 GFLOPS

FP64 (double)

76.00 GFLOPS

Board Design

85W

TDP

80W

250 W

Suggested PSU

250 W

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

Outputs

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

1x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

Bonaire

GPU Name

Cape Verde

Bonaire XT (215-0839039)

GPU Variant

Cape Verde XT

GCN 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.08 billion

Transistors

1.5 billion

160 mm²

Die Size

123 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.0

OpenCL

1.2

Vulkan

1.2

-

6.3

Shader Model

5.1

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