AMD Radeon HD 7990 vs AMD Radeon Pro W6600

VS

AMD Radeon HD 7990

AMD Radeon Pro W6600

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7990 and 8GB VRAM Radeon Pro W6600 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7990 's Advantages

Larger VRAM bandwidth (288.0GB/s vs 224.0GB/s)

256 additional rendering cores

AMD Radeon Pro W6600 's Advantages

Released 8 years and 2 months late

Boost Clock has increased by 158% (2580MHz vs 1000MHz)

More VRAM (8GB vs 3GB)

Lower TDP (100W vs 375W)

Score

Benchmark

FP32 (float)

Radeon HD 7990

4.096 TFLOPS

Radeon Pro W6600 +125%

9.247 TFLOPS

Radeon HD 7990

VS

Radeon Pro W6600

Graphics Card

Apr 2013

Release Date

Jun 2021

Southern Islands

Generation

Radeon Pro

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

950 MHz

Base Clock

2331 MHz

1000 MHz

Boost Clock

2580 MHz

1500 MHz

Memory Clock

1750 MHz

Memory

3GB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

384bit

Memory Bus

128bit

288.0GB/s

Bandwidth

224.0GB/s

Render Config

32

Compute Units

28

-

2048

Shading Units

1792

128

TMUs

112

32

ROPs

64

-

RT Cores

28

16 KB (per CU)

L1 Cache

128 KB per Array

768 KB

L2 Cache

2 MB

-

L3 Cache

32 MB

Theoretical Performance

32.00 GPixel/s

Pixel Rate

165.1 GPixel/s

128.0 GTexel/s

Texture Rate

289.0 GTexel/s

-

FP16 (half)

18.49 TFLOPS

4.096 TFLOPS

FP32 (float)

9.247 TFLOPS

1024 GFLOPS

FP64 (double)

577.9 GFLOPS

Board Design

375W

TDP

100W

750 W

Suggested PSU

300 W

1x DVI 4x mini-DisplayPort 1.2

Outputs

4x DisplayPort 1.4a

2x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

Malta

GPU Name

Navi 23

Malta XT (215-0849026)

GPU Variant

-

GCN 1.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

7 nm

4.313 billion

Transistors

11.06 billion

365 mm²

Die Size

237 mm²

Graphics Features

12 (11_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

1.2

OpenCL

2.1

1.2

Vulkan

1.3

-

5.1

Shader Model

6.5

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