ATI Radeon HD 4670 vs AMD Radeon R7 250

VS

ATI Radeon HD 4670

AMD Radeon R7 250

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4670 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 4670 's Advantages

Larger VRAM bandwidth (32.00GB/s vs 28.80GB/s)

AMD Radeon R7 250 's Advantages

Released 5 years and 1 months late

More VRAM (1024GB vs 512GB)

192 additional rendering cores

Lower TDP (55W vs 59W)

Score

Benchmark

FP32 (float)

Radeon HD 4670

0.48 TFLOPS

Radeon R7 250 +49%

0.717 TFLOPS

Radeon HD 4670

VS

Radeon R7 250

Graphics Card

Sep 2008

Release Date

Oct 2013

Radeon R700

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

900 MHz

Memory

512MB

Memory Size

1024MB

GDDR3

Memory Type

DDR3

128bit

Memory Bus

128bit

32.00GB/s

Bandwidth

28.80GB/s

Render Config

4

Compute Units

8

-

320

Shading Units

512

32

TMUs

32

8

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

6.000 GPixel/s

Pixel Rate

11.20 GPixel/s

24.00 GTexel/s

Texture Rate

22.40 GTexel/s

-

480.0 GFLOPS

FP32 (float)

716.8 GFLOPS

-

FP64 (double)

44.80 GFLOPS

Board Design

59W

TDP

55W

250 W

Suggested PSU

250 W

2x DVI 1x S-Video

Outputs

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

None

Power Connectors

None

Graphics Processor

RV730

GPU Name

Cape Verde

RV730 XT (215-0719047)

GPU Variant

Cape Verde PRO

TeraScale

Architecture

GCN 1.0

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.514 billion

Transistors

1.5 billion

146 mm²

Die Size

123 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (11_1)

3.3

OpenGL

4.6

1.1

OpenCL

1.2

N/A

Vulkan

1.2

-

4.1

Shader Model

5.1

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