AMD Radeon RX 460 1024SP vs AMD Radeon HD 7950 Boost

VS

AMD Radeon RX 460 1024SP

AMD Radeon HD 7950 Boost

We compared two Desktop platform GPUs: 2GB VRAM Radeon RX 460 1024SP and 3GB VRAM Radeon HD 7950 Boost to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 460 1024SP 's Advantages

Released 4 years and 7 months late

Boost Clock has increased by 30% (1200MHz vs 925MHz)

Lower TDP (75W vs 200W)

AMD Radeon HD 7950 Boost 's Advantages

More VRAM (3GB vs 2GB)

Larger VRAM bandwidth (240.0GB/s vs 112.0GB/s)

768 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 460 1024SP

2.458 TFLOPS

Radeon HD 7950 Boost +34%

3.315 TFLOPS

Radeon RX 460 1024SP

VS

Radeon HD 7950 Boost

Graphics Card

Jan 2017

Release Date

Jun 2012

Arctic Islands

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1090 MHz

Base Clock

850 MHz

1200 MHz

Boost Clock

925 MHz

1750 MHz

Memory Clock

1250 MHz

Memory

2GB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

384bit

112.0GB/s

Bandwidth

240.0GB/s

Render Config

16

Compute Units

28

-

1024

Shading Units

1792

64

TMUs

112

16

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

768 KB

-

Theoretical Performance

19.20 GPixel/s

Pixel Rate

29.60 GPixel/s

76.80 GTexel/s

Texture Rate

103.6 GTexel/s

2.458 TFLOPS

FP16 (half)

-

2.458 TFLOPS

FP32 (float)

3.315 TFLOPS

153.6 GFLOPS

FP64 (double)

828.8 GFLOPS

Board Design

75W

TDP

200W

250 W

Suggested PSU

550 W

1x DVI 1x HDMI 2.0b 1x DisplayPort 1.4a

Outputs

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

None

Power Connectors

2x 6-pin

Graphics Processor

Baffin

GPU Name

Tahiti

Baffin XT

GPU Variant

Tahiti PRO2 (215-0821282)

GCN 4.0

Architecture

GCN 1.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

3 billion

Transistors

4.313 billion

123 mm²

Die Size

352 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

1.2

Vulkan

1.2

-

6.4

Shader Model

5.1

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