AMD Radeon R7 250X vs AMD Radeon HD 6870 X2

VS

AMD Radeon R7 250X AMD Radeon HD 6870 X2

We compared two Desktop platform GPUs: 1024MB VRAM Radeon R7 250X and 1024MB VRAM Radeon HD 6870 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R7 250X 's Advantages

Released 2 years and 7 months late

Lower TDP (80W vs 300W)

AMD Radeon HD 6870 X2 's Advantages

Larger VRAM bandwidth (134.4GB/s vs 72.00GB/s)

480 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R7 250X

1.216 TFLOPS

Radeon HD 6870 X2 +65%

2.016 TFLOPS

Radeon R7 250X

VS

Radeon HD 6870 X2

Graphics Card

Feb 2014

Release Date

Jul 2011

Volcanic Islands

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1125 MHz

Memory Clock

1050 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

72.00GB/s

Bandwidth

134.4GB/s

Render Config

-

SM Count

-

10

Compute Units

14

640

Shading Units

1120

40

TMUs

56

16

ROPs

32

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

512 KB

Theoretical Performance

15.20 GPixel/s

Pixel Rate

28.80 GPixel/s

38.00 GTexel/s

Texture Rate

50.40 GTexel/s

-

FP16 (half)

-

1216 GFLOPS

FP32 (float)

2.016 TFLOPS

76.00 GFLOPS

FP64 (double)

-

Graphics Processor

Cape Verde

GPU Name

Barts

Cape Verde XT

GPU Variant

Barts XT (215-0798000)

GCN 1.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.5 billion

Transistors

1.7 billion

123 mm²

Die Size

255 mm²

Board Design

80W

TDP

300W

250 W

Suggested PSU

700 W

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

Outputs

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

1x 6-pin

Power Connectors

-

Graphics Features

12 (11_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

1.2

OpenCL

1.2

Vulkan

N/A

-

CUDA

-

5.1

Shader Model

5.0

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