AMD Radeon HD 6790 vs NVIDIA CMP 40HX

VS

AMD Radeon HD 6790

NVIDIA CMP 40HX

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6790 and 8GB VRAM CMP 40HX 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 185W)

NVIDIA CMP 40HX 's Advantages

Released 9 years and 10 months late

Boost Clock1650MHz

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (448.0GB/s vs 134.4GB/s)

1504 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6790

1.344 TFLOPS

CMP 40HX +465%

7.603 TFLOPS

Radeon HD 6790

VS

CMP 40HX

Graphics Card

Apr 2011

Release Date

Feb 2021

Northern Islands

Generation

Mining GPUs

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1470 MHz

-

Boost Clock

1650 MHz

1050 MHz

Memory Clock

1750 MHz

Memory

1024MB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

256bit

134.4GB/s

Bandwidth

448.0GB/s

Render Config

10

Compute Units

-

SM Count

36

800

Shading Units

2304

40

TMUs

144

16

ROPs

64

-

Tensor Cores

288

-

RT Cores

36

8 KB (per CU)

L1 Cache

64 KB (per SM)

512 KB

L2 Cache

4 MB

-

Theoretical Performance

13.44 GPixel/s

Pixel Rate

105.6 GPixel/s

33.60 GTexel/s

Texture Rate

237.6 GTexel/s

-

FP16 (half)

15.21 TFLOPS

1344 GFLOPS

FP32 (float)

7.603 TFLOPS

-

FP64 (double)

237.6 GFLOPS

Board Design

150W

TDP

185W

450 W

Suggested PSU

450 W

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

Outputs

No outputs

2x 6-pin

Power Connectors

1x 8-pin

Graphics Processor

Barts

GPU Name

TU106

Barts LE (215-0798002)

GPU Variant

TU106-100-A1

TeraScale 2

Architecture

Turing

TSMC

Foundry

TSMC

40 nm

Process Size

12 nm

1.7 billion

Transistors

10.8 billion

255 mm²

Die Size

445 mm²

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

7.5

5.0

Shader Model

6.6

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