AMD Radeon RX 590 GME vs AMD Radeon HD 6990

VS

AMD Radeon RX 590 GME AMD Radeon HD 6990

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 590 GME and 2GB VRAM Radeon HD 6990 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 590 GME 's Advantages

Released 9 years late

Boost Clock1420MHz

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (256.0GB/s vs 160.0GB/s)

768 additional rendering cores

Lower TDP (175W vs 375W)

Score

Benchmark

FP32 (float)

Radeon RX 590 GME +156%

6.543 TFLOPS

Radeon HD 6990

2.55 TFLOPS

Radeon RX 590 GME

VS

Radeon HD 6990

Graphics Card

Mar 2020

Release Date

Mar 2011

Polaris

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1257 MHz

Base Clock

-

1420 MHz

Boost Clock

-

2000 MHz

Memory Clock

1250 MHz

Memory

8GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

256.0GB/s

Bandwidth

160.0GB/s

Render Config

-

SM Count

-

36

Compute Units

24

2304

Shading Units

1536

144

TMUs

96

32

ROPs

32

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

2 MB

L2 Cache

512 KB

Theoretical Performance

45.44 GPixel/s

Pixel Rate

26.56 GPixel/s

204.5 GTexel/s

Texture Rate

79.68 GTexel/s

6.543 TFLOPS

FP16 (half)

-

6.543 TFLOPS

FP32 (float)

2.550 TFLOPS

409.0 GFLOPS

FP64 (double)

637.4 GFLOPS

Graphics Processor

Polaris 20

GPU Name

Antilles

Polaris 20 XTR (215-0910066)

GPU Variant

Antilles XT (215-0807027)

GCN 4.0

Architecture

TeraScale 3

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

40 nm

5.7 billion

Transistors

2.64 billion

232 mm²

Die Size

389 mm²

Board Design

175W

TDP

375W

450 W

Suggested PSU

750 W

1x HDMI 2.0b 3x DisplayPort 1.4a

Outputs

1x DVI 4x mini-DisplayPort 1.2

1x 8-pin

Power Connectors

2x 8-pin

Graphics Features

12 (12_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1

OpenCL

1.2

1.3

Vulkan

N/A

-

CUDA

-

6.7

Shader Model

5.0

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