NVIDIA GeForce GTX 780 Ti 6 GB vs AMD Radeon RX 7990 XTX

VS

NVIDIA GeForce GTX 780 Ti 6 GB

AMD Radeon RX 7990 XTX

We compared two Desktop platform GPUs: 6GB VRAM GeForce GTX 780 Ti 6 GB and 24GB VRAM Radeon RX 7990 XTX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 780 Ti 6 GB 's Advantages

Lower TDP (250W vs 405W)

AMD Radeon RX 7990 XTX 's Advantages

Boost Clock has increased by 288% (3599MHz vs 928MHz)

More VRAM (24GB vs 6GB)

Larger VRAM bandwidth (1152GB/s vs 336.6GB/s)

3264 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 780 Ti 6 GB

5.345 TFLOPS

Radeon RX 7990 XTX +1554%

88.45 TFLOPS

GeForce GTX 780 Ti 6 GB

VS

Radeon RX 7990 XTX

Graphics Card

Unknown

Release Date

Unknown

GeForce 700

Generation

Navi III

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

875 MHz

Base Clock

2500 MHz

928 MHz

Boost Clock

3599 MHz

1753 MHz

Memory Clock

3000 MHz

Memory

6GB

Memory Size

24GB

GDDR5

Memory Type

GDDR6

384bit

Memory Bus

384bit

336.6GB/s

Bandwidth

1152GB/s

Render Config

-

Compute Units

96

-

2880

Shading Units

6144

240

TMUs

384

48

ROPs

192

-

RT Cores

96

16 KB (per SMX)

L1 Cache

256 KB per Array

1536 KB

L2 Cache

6 MB

-

L3 Cache

192 MB

Theoretical Performance

55.68 GPixel/s

Pixel Rate

691.0 GPixel/s

222.7 GTexel/s

Texture Rate

1382 GTexel/s

-

FP16 (half)

176.9 TFLOPS

5.345 TFLOPS

FP32 (float)

88.45 TFLOPS

222.7 GFLOPS

FP64 (double)

2.764 TFLOPS

Board Design

250W

TDP

405W

600 W

Suggested PSU

800 W

2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

Outputs

1x HDMI 2.1a 2x DisplayPort 2.1 1x USB Type-C

1x 6-pin + 1x 8-pin

Power Connectors

3x 8-pin

Graphics Processor

GK110B

GPU Name

Navi 31

-

GPU Variant

Navi 31 XTX+

Kepler

Architecture

RDNA 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

5 nm

7.08 billion

Transistors

57.7 billion

561 mm²

Die Size

529 mm²

Graphics Features

12 (11_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

2.2

1.1

Vulkan

1.3

3.5

CUDA

-

5.1

Shader Model

6.7

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