AMD Radeon RX 460 vs AMD Radeon HD 7950

VS

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

Main Differences

AMD Radeon RX 460 's Advantages

Released 4 years and 7 months late

Boost Clock1200MHz

Lower TDP (75W vs 200W)

AMD Radeon HD 7950 's Advantages

More VRAM (3GB vs 2GB)

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

896 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 460

2.15 TFLOPS

Radeon HD 7950 +33%

2.867 TFLOPS

3DMark Time Spy

Radeon RX 460

1725

Radeon HD 7950 +11%

1917

Radeon RX 460

VS

Radeon HD 7950

Graphics Card

Aug 2016

Release Date

Jan 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

-

1200 MHz

Boost Clock

-

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

-

SM Count

-

14

Compute Units

28

896

Shading Units

1792

56

TMUs

112

16

ROPs

32

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

768 KB

Theoretical Performance

19.20 GPixel/s

Pixel Rate

25.60 GPixel/s

67.20 GTexel/s

Texture Rate

89.60 GTexel/s

2.150 TFLOPS

FP16 (half)

-

2.150 TFLOPS

FP32 (float)

2.867 TFLOPS

134.4 GFLOPS

FP64 (double)

716.8 GFLOPS

Graphics Processor

Baffin

GPU Name

Tahiti

Baffin PRO

GPU Variant

Tahiti PRO (215-0821056)

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

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 Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

1.2

Vulkan

1.2

-

CUDA

-

6.4

Shader Model

5.1

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