AMD Radeon HD 6790 vs NVIDIA A30 PCIe

VS

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6790 and 24GB VRAM A30 PCIe to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6790 's Advantages

Lower TDP (150W vs 165W)

NVIDIA A30 PCIe 's Advantages

Released 10 years late

Boost Clock1440MHz

More VRAM (24GB vs 1GB)

Larger VRAM bandwidth (933.1GB/s vs 134.4GB/s)

2784 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6790

1.344 TFLOPS

A30 PCIe +667%

10.32 TFLOPS

Radeon HD 6790

VS

A30 PCIe

Graphics Card

Apr 2011

Release Date

Apr 2021

Northern Islands

Generation

Tesla Ampere

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

930 MHz

-

Boost Clock

1440 MHz

1050 MHz

Memory Clock

1215 MHz

Memory

1024MB

Memory Size

24GB

GDDR5

Memory Type

HBM2e

256bit

Memory Bus

3072bit

134.4GB/s

Bandwidth

933.1GB/s

Render Config

-

SM Count

56

10

Compute Units

-

800

Shading Units

3584

40

TMUs

224

16

ROPs

96

-

Tensor Cores

224

-

RT Cores

-

8 KB (per CU)

L1 Cache

192 KB (per SM)

512 KB

L2 Cache

24 MB

Theoretical Performance

13.44 GPixel/s

Pixel Rate

138.2 GPixel/s

33.60 GTexel/s

Texture Rate

322.6 GTexel/s

-

FP16 (half)

10.32 TFLOPS

1344 GFLOPS

FP32 (float)

10.32 TFLOPS

-

FP64 (double)

5.161 TFLOPS

Graphics Processor

Barts

GPU Name

GA100

Barts LE (215-0798002)

GPU Variant

-

TeraScale 2

Architecture

Ampere

TSMC

Foundry

TSMC

40 nm

Process Size

7 nm

1.7 billion

Transistors

54.2 billion

255 mm²

Die Size

826 mm²

Board Design

150W

TDP

165W

450 W

Suggested PSU

450 W

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

Outputs

No outputs

2x 6-pin

Power Connectors

8-pin EPS

Graphics Features

11.2 (11_0)

DirectX

N/A

4.4

OpenGL

N/A

1.2

OpenCL

3.0

N/A

Vulkan

N/A

-

CUDA

8.0

5.0

Shader Model

N/A

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