NVIDIA A40 PCIe vs AMD Radeon HD 6770

VS

We compared two Desktop platform GPUs: 48GB VRAM A40 PCIe and 1024MB VRAM Radeon HD 6770 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA A40 PCIe 's Advantages

Released 9 years and 9 months late

Boost Clock1740MHz

More VRAM (48GB vs 1GB)

Larger VRAM bandwidth (695.8GB/s vs 76.80GB/s)

9952 additional rendering cores

AMD Radeon HD 6770 's Advantages

Lower TDP (108W vs 300W)

Score

Benchmark

FP32 (float)

A40 PCIe +2651%

37.42 TFLOPS

Radeon HD 6770

1.36 TFLOPS

A40 PCIe

VS

Radeon HD 6770

Graphics Card

Oct 2020

Release Date

Jan 2011

Tesla

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1305 MHz

Base Clock

-

1740 MHz

Boost Clock

-

1812 MHz

Memory Clock

1200 MHz

Memory

48GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR5

384bit

Memory Bus

128bit

695.8GB/s

Bandwidth

76.80GB/s

Render Config

84

SM Count

-

Compute Units

10

10752

Shading Units

800

336

TMUs

40

112

ROPs

16

336

Tensor Cores

-

84

RT Cores

-

128 KB (per SM)

L1 Cache

8 KB (per CU)

6 MB

L2 Cache

256 KB

Theoretical Performance

194.9 GPixel/s

Pixel Rate

13.60 GPixel/s

584.6 GTexel/s

Texture Rate

34.00 GTexel/s

37.42 TFLOPS

FP16 (half)

-

37.42 TFLOPS

FP32 (float)

1360 GFLOPS

584.6 GFLOPS

FP64 (double)

-

Graphics Processor

GA102

GPU Name

Juniper

-

GPU Variant

Juniper XT (215-0754013)

Ampere

Architecture

TeraScale 2

Samsung

Foundry

TSMC

8 nm

Process Size

40 nm

28.3 billion

Transistors

1.04 billion

628 mm²

Die Size

166 mm²

Board Design

300W

TDP

108W

700 W

Suggested PSU

300 W

3x DisplayPort 1.4a

Outputs

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

8-pin EPS

Power Connectors

1x 6-pin

Graphics Features

12 Ultimate (12_2)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.3

Vulkan

N/A

8.6

CUDA

-

6.6

Shader Model

5.0

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