AMD Radeon R7 350 640SP vs AMD Radeon HD 6770

VS

AMD Radeon R7 350 640SP

AMD Radeon HD 6770

We compared two Desktop platform GPUs: 2GB VRAM Radeon R7 350 640SP and 1024MB VRAM Radeon HD 6770 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 8 years late

More VRAM (2GB vs 1024GB)

Lower TDP (55W vs 108W)

AMD Radeon HD 6770 's Advantages

Larger VRAM bandwidth (76.80GB/s vs 72.00GB/s)

160 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R7 350 640SP

1.184 TFLOPS

Radeon HD 6770 +14%

1.36 TFLOPS

Radeon R7 350 640SP

VS

Radeon HD 6770

Graphics Card

Jan 2019

Release Date

Jan 2011

Pirate Islands

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1125 MHz

Memory Clock

1200 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

72.00GB/s

Bandwidth

76.80GB/s

Render Config

10

Compute Units

10

-

640

Shading Units

800

40

TMUs

40

16

ROPs

16

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

14.80 GPixel/s

Pixel Rate

13.60 GPixel/s

37.00 GTexel/s

Texture Rate

34.00 GTexel/s

-

1184 GFLOPS

FP32 (float)

1360 GFLOPS

74.00 GFLOPS

FP64 (double)

-

Board Design

55W

TDP

108W

250 W

Suggested PSU

300 W

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

Outputs

2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1

None

Power Connectors

1x 6-pin

Graphics Processor

Cape Verde

GPU Name

Juniper

Cape Verde XT

GPU Variant

Juniper XT (215-0754013)

GCN 1.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.5 billion

Transistors

1.04 billion

123 mm²

Die Size

166 mm²

Graphics Features

12 (11_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

1.2

OpenCL

1.2

Vulkan

N/A

-

5.1

Shader Model

5.0

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