ATI Radeon HD 2900 XTX vs NVIDIA GeForce RTX 2080

VS

ATI Radeon HD 2900 XTX

NVIDIA GeForce RTX 2080

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 2900 XTX 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

Boost Clock1710MHz

More VRAM (8GB vs 512GB)

Larger VRAM bandwidth (448.0GB/s vs 106.0GB/s)

2624 additional rendering cores

Lower TDP (215W vs 240W)

Score

Benchmark

FP32 (float)

Radeon HD 2900 XTX

0.476 TFLOPS

GeForce RTX 2080 +2015%

10.07 TFLOPS

Radeon HD 2900 XTX

VS

GeForce RTX 2080

Graphics Card

Unknown

Release Date

Sep 2018

Radeon R600

Generation

GeForce 20

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1515 MHz

-

Boost Clock

1710 MHz

828 MHz

Memory Clock

1750 MHz

Memory

512MB

Memory Size

8GB

GDDR3

Memory Type

GDDR6

512bit

Memory Bus

256bit

106.0GB/s

Bandwidth

448.0GB/s

Render Config

4

Compute Units

-

SM Count

46

320

Shading Units

2944

16

TMUs

184

16

ROPs

64

-

Tensor Cores

368

-

RT Cores

46

-

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

4 MB

-

Theoretical Performance

11.89 GPixel/s

Pixel Rate

109.4 GPixel/s

11.89 GTexel/s

Texture Rate

314.6 GTexel/s

-

FP16 (half)

20.14 TFLOPS

475.5 GFLOPS

FP32 (float)

10.07 TFLOPS

-

FP64 (double)

314.6 GFLOPS

Board Design

240W

TDP

215W

550 W

Suggested PSU

550 W

2x DVI 1x S-Video

Outputs

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

2x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

R600

GPU Name

TU104

R600 XTX A11 (215RGMDKA11FG)

GPU Variant

TU104-400A-A1

TeraScale

Architecture

Turing

TSMC

Foundry

TSMC

80 nm

Process Size

12 nm

0.72 billion

Transistors

13.6 billion

420 mm²

Die Size

545 mm²

Graphics Features

10.0 (10_0)

DirectX

12 Ultimate (12_2)

3.3 (full) 4.0 (partial)

OpenGL

4.6

N/A

OpenCL

3.0

N/A

Vulkan

1.3

-

CUDA

7.5

4.0

Shader Model

6.6

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