AMD Radeon R7 350 640SP vs ATI Radeon HD 3870 X2

VS

AMD Radeon R7 350 640SP ATI Radeon HD 3870 X2

We compared two Desktop platform GPUs: 2GB VRAM Radeon R7 350 640SP and 512MB VRAM Radeon HD 3870 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R7 350 640SP 's Advantages

Released 11 years late

Larger VRAM bandwidth (72.00GB/s vs 57.66GB/s)

320 additional rendering cores

Lower TDP (55W vs 165W)

Score

Benchmark

FP32 (float)

Radeon R7 350 640SP +124%

1.184 TFLOPS

Radeon HD 3870 X2

0.528 TFLOPS

Radeon R7 350 640SP

VS

Radeon HD 3870 X2

Graphics Card

Jan 2019

Release Date

Jan 2008

Pirate Islands

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1125 MHz

Memory Clock

901 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

256bit

72.00GB/s

Bandwidth

57.66GB/s

Render Config

-

SM Count

-

10

Compute Units

4

640

Shading Units

320

40

TMUs

16

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

256 KB

Theoretical Performance

14.80 GPixel/s

Pixel Rate

13.20 GPixel/s

37.00 GTexel/s

Texture Rate

13.20 GTexel/s

-

FP16 (half)

-

1184 GFLOPS

FP32 (float)

528.0 GFLOPS

74.00 GFLOPS

FP64 (double)

105.6 GFLOPS

Graphics Processor

Cape Verde

GPU Name

R680

Cape Verde XT

GPU Variant

R680 XT (215-0708017)

GCN 1.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

1.5 billion

Transistors

0.666 billion

123 mm²

Die Size

192 mm²

Board Design

55W

TDP

165W

250 W

Suggested PSU

450 W

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

Outputs

2x DVI 1x S-Video

None

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Features

12 (11_1)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3 (full) 4.0 (partial)

1.2

OpenCL

N/A

1.2

Vulkan

N/A

-

CUDA

-

5.1

Shader Model

4.1

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