AMD Radeon HD 6770 vs NVIDIA RTX A400

VS

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6770 and 4GB VRAM RTX A400 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6770 's Advantages

32 additional rendering cores

NVIDIA RTX A400 's Advantages

Released 13 years and 3 months late

Boost Clock1762MHz

More VRAM (4GB vs 1GB)

Larger VRAM bandwidth (96.00GB/s vs 76.80GB/s)

Lower TDP (50W vs 108W)

Score

Benchmark

FP32 (float)

Radeon HD 6770

1.36 TFLOPS

RTX A400 +98%

2.706 TFLOPS

Radeon HD 6770

VS

RTX A400

Graphics Card

Jan 2011

Release Date

Apr 2024

Northern Islands

Generation

Quadro Ampere

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

-

Base Clock

727 MHz

-

Boost Clock

1762 MHz

1200 MHz

Memory Clock

1500 MHz

Memory

1024MB

Memory Size

4GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

64bit

76.80GB/s

Bandwidth

96.00GB/s

Render Config

-

SM Count

6

10

Compute Units

-

800

Shading Units

768

40

TMUs

24

16

ROPs

16

-

Tensor Cores

24

-

RT Cores

6

8 KB (per CU)

L1 Cache

128 KB (per SM)

256 KB

L2 Cache

2 MB

Theoretical Performance

13.60 GPixel/s

Pixel Rate

28.19 GPixel/s

34.00 GTexel/s

Texture Rate

42.29 GTexel/s

-

FP16 (half)

2.706 TFLOPS

1360 GFLOPS

FP32 (float)

2.706 TFLOPS

-

FP64 (double)

42.29 GFLOPS

Graphics Processor

Juniper

GPU Name

GA107

Juniper XT (215-0754013)

GPU Variant

-

TeraScale 2

Architecture

Ampere

TSMC

Foundry

Samsung

40 nm

Process Size

8 nm

1.04 billion

Transistors

8.7 billion

166 mm²

Die Size

200 mm²

Board Design

108W

TDP

50W

300 W

Suggested PSU

250 W

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

Outputs

4x mini-DisplayPort 1.4a

1x 6-pin

Power Connectors

None

Graphics Features

11.2 (11_0)

DirectX

12 Ultimate (12_2)

4.4

OpenGL

4.6

1.2

OpenCL

3.0

N/A

Vulkan

1.3

-

CUDA

8.6

5.0

Shader Model

6.7

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