AMD Radeon HD 7870 XT vs AMD Radeon R7 250E

VS

AMD Radeon HD 7870 XT AMD Radeon R7 250E

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 7870 XT and 1024MB VRAM Radeon R7 250E to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7870 XT 's Advantages

Boost Clock975MHz

More VRAM (2GB vs 1GB)

Larger VRAM bandwidth (192.0GB/s vs 72.00GB/s)

1024 additional rendering cores

AMD Radeon R7 250E 's Advantages

Released 1 years and 1 months late

Lower TDP (55W vs 185W)

Score

Benchmark

FP32 (float)

Radeon HD 7870 XT +265%

2.995 TFLOPS

Radeon R7 250E

0.819 TFLOPS

Radeon HD 7870 XT

VS

Radeon R7 250E

Graphics Card

Nov 2012

Release Date

Dec 2013

Southern Islands

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

925 MHz

Base Clock

-

975 MHz

Boost Clock

-

1500 MHz

Memory Clock

1125 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

192.0GB/s

Bandwidth

72.00GB/s

Render Config

-

SM Count

-

24

Compute Units

8

1536

Shading Units

512

96

TMUs

32

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

256 KB

Theoretical Performance

31.20 GPixel/s

Pixel Rate

12.80 GPixel/s

93.60 GTexel/s

Texture Rate

25.60 GTexel/s

-

FP16 (half)

-

2.995 TFLOPS

FP32 (float)

819.2 GFLOPS

748.8 GFLOPS

FP64 (double)

51.20 GFLOPS

Graphics Processor

Tahiti

GPU Name

Cape Verde

Tahiti LE (215-0821122)

GPU Variant

Cape Verde PRO

GCN 1.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

4.313 billion

Transistors

1.5 billion

352 mm²

Die Size

123 mm²

Board Design

185W

TDP

55W

450 W

Suggested PSU

250 W

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

Outputs

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

2x 6-pin

Power Connectors

None

Graphics Features

12 (11_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

1.2

OpenCL

1.2

Vulkan

1.2

-

CUDA

-

5.1

Shader Model

5.1

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