ATI Radeon HD 3850 AGP vs AMD Radeon R7 340 OEM

VS

ATI Radeon HD 3850 AGP

AMD Radeon R7 340 OEM

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3850 AGP and 2GB VRAM Radeon R7 340 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R7 340 OEM 's Advantages

Released 7 years and 4 months late

Boost Clock780MHz

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (64.00GB/s vs 52.99GB/s)

64 additional rendering cores

Lower TDP (50W vs 75W)

Score

Benchmark

FP32 (float)

Radeon HD 3850 AGP

0.428 TFLOPS

Radeon R7 340 OEM +39%

0.599 TFLOPS

Radeon HD 3850 AGP

VS

Radeon R7 340 OEM

Graphics Card

Jan 2008

Release Date

May 2015

Radeon R600

Generation

Pirate Islands

Desktop

Type

Desktop

AGP 8x

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

730 MHz

-

Boost Clock

780 MHz

828 MHz

Memory Clock

1000 MHz

Memory

512MB

Memory Size

2GB

GDDR3

Memory Type

GDDR5

256bit

Memory Bus

128bit

52.99GB/s

Bandwidth

64.00GB/s

Render Config

4

Compute Units

6

-

320

Shading Units

384

16

TMUs

24

16

ROPs

8

-

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

10.69 GPixel/s

Pixel Rate

6.240 GPixel/s

10.69 GTexel/s

Texture Rate

18.72 GTexel/s

-

427.5 GFLOPS

FP32 (float)

599.0 GFLOPS

85.50 GFLOPS

FP64 (double)

37.44 GFLOPS

Board Design

75W

TDP

50W

250 W

Suggested PSU

250 W

2x DVI 1x S-Video

Outputs

1x DVI 1x HDMI 1.4a 1x VGA

1x 8-pin

Power Connectors

None

Graphics Processor

RV670

GPU Name

Oland

RV670 PRO (215-0708003)

GPU Variant

-

TeraScale

Architecture

GCN 1.0

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.666 billion

Transistors

0.95 billion

192 mm²

Die Size

77 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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