AMD Radeon HD 7990 vs NVIDIA GeForce RTX 2080

VS

AMD Radeon HD 7990 NVIDIA GeForce RTX 2080

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7990 and 8GB VRAM GeForce RTX 2080 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 2080 's Advantages

Released 5 years and 5 months late

Boost Clock has increased by 71% (1710MHz vs 1000MHz)

More VRAM (8GB vs 3GB)

Larger VRAM bandwidth (448.0GB/s vs 288.0GB/s)

896 additional rendering cores

Lower TDP (215W vs 375W)

Score

Benchmark

FP32 (float)

Radeon HD 7990

4.096 TFLOPS

GeForce RTX 2080 +145%

10.07 TFLOPS

Radeon HD 7990

VS

GeForce RTX 2080

Graphics Card

Apr 2013

Release Date

Sep 2018

Southern Islands

Generation

GeForce 20

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

950 MHz

Base Clock

1515 MHz

1000 MHz

Boost Clock

1710 MHz

1500 MHz

Memory Clock

1750 MHz

Memory

3GB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

384bit

Memory Bus

256bit

288.0GB/s

Bandwidth

448.0GB/s

Render Config

-

SM Count

46

32

Compute Units

-

2048

Shading Units

2944

128

TMUs

184

32

ROPs

64

-

Tensor Cores

368

-

RT Cores

46

16 KB (per CU)

L1 Cache

64 KB (per SM)

768 KB

L2 Cache

4 MB

Theoretical Performance

32.00 GPixel/s

Pixel Rate

109.4 GPixel/s

128.0 GTexel/s

Texture Rate

314.6 GTexel/s

-

FP16 (half)

20.14 TFLOPS

4.096 TFLOPS

FP32 (float)

10.07 TFLOPS

1024 GFLOPS

FP64 (double)

314.6 GFLOPS

Graphics Processor

Malta

GPU Name

TU104

Malta XT (215-0849026)

GPU Variant

TU104-400A-A1

GCN 1.0

Architecture

Turing

TSMC

Foundry

TSMC

28 nm

Process Size

12 nm

4.313 billion

Transistors

13.6 billion

365 mm²

Die Size

545 mm²

Board Design

375W

TDP

215W

750 W

Suggested PSU

550 W

1x DVI 4x mini-DisplayPort 1.2

Outputs

1x HDMI 2.0 3x DisplayPort 1.4a 1x USB Type-C

2x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Features

12 (11_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

1.2

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

7.5

5.1

Shader Model

6.6

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