AMD Radeon HD 6790 vs AMD Radeon VII

VS

AMD Radeon HD 6790 AMD Radeon VII

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6790 and 16GB VRAM Radeon VII 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 295W)

AMD Radeon VII 's Advantages

Released 7 years and 10 months late

Boost Clock1750MHz

More VRAM (16GB vs 1GB)

Larger VRAM bandwidth (1020GB/s vs 134.4GB/s)

3040 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6790

1.344 TFLOPS

Radeon VII +900%

13.44 TFLOPS

Radeon HD 6790

VS

Radeon VII

Graphics Card

Apr 2011

Release Date

Feb 2019

Northern Islands

Generation

Vega II

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1400 MHz

-

Boost Clock

1750 MHz

1050 MHz

Memory Clock

1000 MHz

Memory

1024MB

Memory Size

16GB

GDDR5

Memory Type

HBM2

256bit

Memory Bus

4096bit

134.4GB/s

Bandwidth

1020GB/s

Render Config

-

SM Count

-

10

Compute Units

60

800

Shading Units

3840

40

TMUs

240

16

ROPs

64

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

4 MB

Theoretical Performance

13.44 GPixel/s

Pixel Rate

112.0 GPixel/s

33.60 GTexel/s

Texture Rate

420.0 GTexel/s

-

FP16 (half)

26.88 TFLOPS

1344 GFLOPS

FP32 (float)

13.44 TFLOPS

-

FP64 (double)

3.360 TFLOPS

Graphics Processor

Barts

GPU Name

Vega 20

Barts LE (215-0798002)

GPU Variant

Vega 20 XT

TeraScale 2

Architecture

GCN 5.1

TSMC

Foundry

TSMC

40 nm

Process Size

7 nm

1.7 billion

Transistors

13.23 billion

255 mm²

Die Size

331 mm²

Board Design

150W

TDP

295W

450 W

Suggested PSU

600 W

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

Outputs

1x HDMI 2.0b 3x DisplayPort 1.4a

2x 6-pin

Power Connectors

2x 8-pin

Graphics Features

11.2 (11_0)

DirectX

12 (12_1)

4.4

OpenGL

4.6

1.2

OpenCL

2.1

N/A

Vulkan

1.3

-

CUDA

-

5.0

Shader Model

6.7

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