AMD Radeon HD 7870 XT vs NVIDIA GeForce GTX 780 6 GB

VS

AMD Radeon HD 7870 XT NVIDIA GeForce GTX 780 6 GB

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 7870 XT and 6GB VRAM GeForce GTX 780 6 GB to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7870 XT 's Advantages

Boost Clock has increased by 8% (975MHz vs 902MHz)

Lower TDP (185W vs 250W)

NVIDIA GeForce GTX 780 6 GB 's Advantages

Released 10 months late

More VRAM (6GB vs 2GB)

Larger VRAM bandwidth (288.4GB/s vs 192.0GB/s)

768 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7870 XT

2.995 TFLOPS

GeForce GTX 780 6 GB +38%

4.156 TFLOPS

Radeon HD 7870 XT

VS

GeForce GTX 780 6 GB

Graphics Card

Nov 2012

Release Date

Sep 2013

Southern Islands

Generation

GeForce 700

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

925 MHz

Base Clock

863 MHz

975 MHz

Boost Clock

902 MHz

1500 MHz

Memory Clock

1502 MHz

Memory

2GB

Memory Size

6GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

384bit

192.0GB/s

Bandwidth

288.4GB/s

Render Config

-

SM Count

-

24

Compute Units

-

1536

Shading Units

2304

96

TMUs

192

32

ROPs

48

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

1536 KB

Theoretical Performance

31.20 GPixel/s

Pixel Rate

43.30 GPixel/s

93.60 GTexel/s

Texture Rate

173.2 GTexel/s

-

FP16 (half)

-

2.995 TFLOPS

FP32 (float)

4.156 TFLOPS

748.8 GFLOPS

FP64 (double)

173.2 GFLOPS

Graphics Processor

Tahiti

GPU Name

GK110B

Tahiti LE (215-0821122)

GPU Variant

GK110-301-B1

GCN 1.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

4.313 billion

Transistors

7.08 billion

352 mm²

Die Size

561 mm²

Board Design

185W

TDP

250W

450 W

Suggested PSU

600 W

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

Outputs

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

2x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Features

12 (11_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

1.2

OpenCL

3.0

1.2

Vulkan

1.1

-

CUDA

3.5

5.1

Shader Model

5.1

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