AMD Radeon HD 6870 1600SP Edition vs AMD Radeon R9 370X

VS

AMD Radeon HD 6870 1600SP Edition AMD Radeon R9 370X

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6870 1600SP Edition and 2GB VRAM Radeon R9 370X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6870 1600SP Edition 's Advantages

320 additional rendering cores

Lower TDP (175W vs 180W)

AMD Radeon R9 370X 's Advantages

Released 2 years and 7 months late

Boost Clock1030MHz

More VRAM (2GB vs 1GB)

Larger VRAM bandwidth (179.2GB/s vs 134.4GB/s)

Score

Benchmark

FP32 (float)

Radeon HD 6870 1600SP Edition +3%

2.72 TFLOPS

Radeon R9 370X

2.637 TFLOPS

Radeon HD 6870 1600SP Edition

VS

Radeon R9 370X

Graphics Card

Jan 2013

Release Date

Aug 2015

Northern Islands

Generation

Pirate Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

980 MHz

-

Boost Clock

1030 MHz

1050 MHz

Memory Clock

1400 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

134.4GB/s

Bandwidth

179.2GB/s

Render Config

-

SM Count

-

20

Compute Units

24

1600

Shading Units

1280

80

TMUs

80

32

ROPs

32

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

512 KB

Theoretical Performance

27.20 GPixel/s

Pixel Rate

32.96 GPixel/s

68.00 GTexel/s

Texture Rate

82.40 GTexel/s

-

FP16 (half)

-

2.720 TFLOPS

FP32 (float)

2.637 TFLOPS

544.0 GFLOPS

FP64 (double)

164.8 GFLOPS

Graphics Processor

Cypress

GPU Name

Trinidad

Cypress XT (215-0735033)

GPU Variant

Trinidad XT

TeraScale 2

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

2.154 billion

Transistors

2.8 billion

334 mm²

Die Size

212 mm²

Board Design

175W

TDP

180W

450 W

Suggested PSU

450 W

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

Outputs

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

2x 6-pin

Power Connectors

2x 6-pin

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

-

CUDA

-

5.0

Shader Model

5.1

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