AMD Radeon Pro W6400 vs AMD Radeon HD 6770

VS

AMD Radeon Pro W6400

AMD Radeon HD 6770

We compared two Desktop platform GPUs: 4GB VRAM Radeon Pro W6400 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 Pro W6400 's Advantages

Released 11 years late

Boost Clock2331MHz

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (112.0GB/s vs 76.80GB/s)

Lower TDP (50W vs 108W)

AMD Radeon HD 6770 's Advantages

32 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon Pro W6400 +163%

3.58 TFLOPS

Radeon HD 6770

1.36 TFLOPS

Radeon Pro W6400

VS

Radeon HD 6770

Graphics Card

Jan 2022

Release Date

Jan 2011

Radeon Pro

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 4.0 x4

Bus Interface

PCIe 2.0 x16

Clock Speeds

2331 MHz

Base Clock

-

2331 MHz

Boost Clock

-

1750 MHz

Memory Clock

1200 MHz

Memory

4GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR5

64bit

Memory Bus

128bit

112.0GB/s

Bandwidth

76.80GB/s

Render Config

12

Compute Units

10

-

768

Shading Units

800

48

TMUs

40

32

ROPs

16

-

12

RT Cores

-

128 KB per Array

L1 Cache

8 KB (per CU)

1024 KB

L2 Cache

256 KB

8 MB

L3 Cache

-

Theoretical Performance

74.59 GPixel/s

Pixel Rate

13.60 GPixel/s

111.9 GTexel/s

Texture Rate

34.00 GTexel/s

7.161 TFLOPS

FP16 (half)

-

3.580 TFLOPS

FP32 (float)

1360 GFLOPS

223.8 GFLOPS

FP64 (double)

-

Board Design

50W

TDP

108W

250 W

Suggested PSU

300 W

2x DisplayPort 1.4a

Outputs

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

None

Power Connectors

1x 6-pin

Graphics Processor

Navi 24

GPU Name

Juniper

Navi 24 XL-W

GPU Variant

Juniper XT (215-0754013)

RDNA 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

6 nm

Process Size

40 nm

5.4 billion

Transistors

1.04 billion

107 mm²

Die Size

166 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.2

OpenCL

1.2

1.3

Vulkan

N/A

-

6.6

Shader Model

5.0

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