ATI Radeon HD 3870 AGP vs AMD Radeon R9 295X2

VS

ATI Radeon HD 3870 AGP AMD Radeon R9 295X2

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3870 AGP and 4GB VRAM Radeon R9 295X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 3870 AGP 's Advantages

Lower TDP (106W vs 500W)

AMD Radeon R9 295X2 's Advantages

Larger VRAM bandwidth (320.0GB/s vs 72.06GB/s)

2496 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 3870 AGP

0.497 TFLOPS

Radeon R9 295X2 +1053%

5.733 TFLOPS

Radeon HD 3870 AGP

VS

Radeon R9 295X2

Graphics Card

Unknown

Release Date

Apr 2014

Radeon R600

Generation

Volcanic Islands

Desktop

Type

Desktop

AGP 8x

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1126 MHz

Memory Clock

1250 MHz

Memory

512MB

Memory Size

4GB

GDDR4

Memory Type

GDDR5

256bit

Memory Bus

512bit

72.06GB/s

Bandwidth

320.0GB/s

Render Config

-

SM Count

-

4

Compute Units

44

320

Shading Units

2816

16

TMUs

176

16

ROPs

64

-

Tensor Cores

-

RT Cores

-

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

1024 KB

Theoretical Performance

12.43 GPixel/s

Pixel Rate

65.15 GPixel/s

12.43 GTexel/s

Texture Rate

179.2 GTexel/s

-

FP16 (half)

-

497.3 GFLOPS

FP32 (float)

5.733 TFLOPS

99.46 GFLOPS

FP64 (double)

716.7 GFLOPS

Graphics Processor

RV670

GPU Name

Vesuvius

RV670 XT (215-0708005)

GPU Variant

Vesuvius XT (215-0852022)

TeraScale

Architecture

GCN 2.0

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.666 billion

Transistors

6.2 billion

192 mm²

Die Size

438 mm²

Board Design

106W

TDP

500W

300 W

Suggested PSU

900 W

2x DVI 1x S-Video

Outputs

1x DVI 4x mini-DisplayPort 1.2

1x 8-pin

Power Connectors

2x 8-pin

Graphics Features

10.1 (10_1)

DirectX

12 (12_0)

3.3 (full) 4.0 (partial)

OpenGL

4.6

N/A

OpenCL

2.0

N/A

Vulkan

1.2

-

CUDA

-

4.1

Shader Model

6.3

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