ATI Radeon HD 3850 X3 vs AMD Radeon R7 250

VS

ATI Radeon HD 3850 X3

AMD Radeon R7 250

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3850 X3 and 1024MB VRAM Radeon R7 250 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 3850 X3 's Advantages

Larger VRAM bandwidth (54.40GB/s vs 28.80GB/s)

AMD Radeon R7 250 's Advantages

More VRAM (1024GB vs 512GB)

192 additional rendering cores

Lower TDP (55W vs 145W)

Score

Benchmark

FP32 (float)

Radeon HD 3850 X3

0.428 TFLOPS

Radeon R7 250 +67%

0.717 TFLOPS

Radeon HD 3850 X3

VS

Radeon R7 250

Graphics Card

Unknown

Release Date

Oct 2013

Radeon R600

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

850 MHz

Memory Clock

900 MHz

Memory

512MB

Memory Size

1024MB

GDDR3

Memory Type

DDR3

256bit

Memory Bus

128bit

54.40GB/s

Bandwidth

28.80GB/s

Render Config

4

Compute Units

8

-

320

Shading Units

512

16

TMUs

32

16

ROPs

16

-

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

10.70 GPixel/s

Pixel Rate

11.20 GPixel/s

10.70 GTexel/s

Texture Rate

22.40 GTexel/s

-

428.2 GFLOPS

FP32 (float)

716.8 GFLOPS

-

FP64 (double)

44.80 GFLOPS

Board Design

145W

TDP

55W

300 W

Suggested PSU

250 W

4x DVI

Outputs

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

1x 8-pin

Power Connectors

None

Graphics Processor

RV670

GPU Name

Cape Verde

RV670 PRO (215-0708003)

GPU Variant

Cape Verde PRO

TeraScale

Architecture

GCN 1.0

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.666 billion

Transistors

1.5 billion

192 mm²

Die Size

123 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (11_1)

3.3 (full) 4.0 (partial)

OpenGL

4.6

N/A

OpenCL

1.2

N/A

Vulkan

1.2

-

4.1

Shader Model

5.1

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