AMD Radeon R7 350 640SP vs AMD Radeon HD 7870 XT

VS

AMD Radeon R7 350 640SP

AMD Radeon HD 7870 XT

We compared two Desktop platform GPUs: 2GB VRAM Radeon R7 350 640SP and 2GB VRAM Radeon HD 7870 XT 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 6 years and 2 months late

Lower TDP (55W vs 185W)

AMD Radeon HD 7870 XT 's Advantages

Boost Clock975MHz

Larger VRAM bandwidth (192.0GB/s vs 72.00GB/s)

896 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R7 350 640SP

1.184 TFLOPS

Radeon HD 7870 XT +152%

2.995 TFLOPS

Radeon R7 350 640SP

VS

Radeon HD 7870 XT

Graphics Card

Jan 2019

Release Date

Nov 2012

Pirate Islands

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

925 MHz

-

Boost Clock

975 MHz

1125 MHz

Memory Clock

1500 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

72.00GB/s

Bandwidth

192.0GB/s

Render Config

10

Compute Units

24

-

640

Shading Units

1536

40

TMUs

96

16

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

14.80 GPixel/s

Pixel Rate

31.20 GPixel/s

37.00 GTexel/s

Texture Rate

93.60 GTexel/s

-

1184 GFLOPS

FP32 (float)

2.995 TFLOPS

74.00 GFLOPS

FP64 (double)

748.8 GFLOPS

Board Design

55W

TDP

185W

250 W

Suggested PSU

450 W

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

Outputs

1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2

None

Power Connectors

2x 6-pin

Graphics Processor

Cape Verde

GPU Name

Tahiti

Cape Verde XT

GPU Variant

Tahiti LE (215-0821122)

GCN 1.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.5 billion

Transistors

4.313 billion

123 mm²

Die Size

352 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

1.2

OpenCL

1.2

Vulkan

1.2

-

5.1

Shader Model

5.1

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