Home Comparison GeForce GTX 780 vs Radeon HD 7870 GHz Edition

GeForce GTX 780 vs Radeon HD 7870 GHz Edition

We compared two Desktop platform GPUs: 3GB VRAM GeForce GTX 780 and 2GB VRAM Radeon HD 7870 GHz Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

GeForce GTX 780 's Advantages
Released 1 years and 2 months late
Boost Clock902MHz
More VRAM (3GB vs 2GB)
Larger VRAM bandwidth (288.4GB/s vs 153.6GB/s)
1024 additional rendering cores
Radeon HD 7870 GHz Edition 's Advantages
Lower TDP (175W vs 250W)

Score

Benchmark

FP32 (float)
GeForce GTX 780 +62%
4156
Radeon HD 7870 GHz Edition
2560
VS

Graphics Card

May 2013
Release Date
Mar 2012
GeForce 700
Generation
Southern Islands
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16

Clock Speeds

863 MHz
Base Clock
-
902 MHz
Boost Clock
-
1502 MHz
Memory Clock
1200 MHz

Memory

3GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
384bit
Memory Bus
256bit
288.4GB/s
Bandwidth
153.6GB/s

Render Config

-
Compute Units
20
2304
Shading Units
1280
192
TMUs
80
48
ROPs
32
16 KB (per SMX)
L1 Cache
16 KB (per CU)
1536 KB
L2 Cache
512 KB

Theoretical Performance

43.30 GPixel/s
Pixel Rate
32.00 GPixel/s
173.2 GTexel/s
Texture Rate
80.00 GTexel/s
4.156 TFLOPS
FP32 (float)
2.560 TFLOPS
173.2 GFLOPS
FP64 (double)
160.0 GFLOPS

Board Design

250W
TDP
175W
600 W
Suggested PSU
450 W
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
1x 6-pin + 1x 8-pin
Power Connectors
2x 6-pin

Graphics Processor

GK110
GPU Name
Pitcairn
GK110-300-A1
GPU Variant
Pitcairn XT (215-0828047)
Kepler
Architecture
GCN 1.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
7.08 billion
Transistors
2.8 billion
561 mm²
Die Size
212 mm²

Graphics Features

12 (11_0)
DirectX
12 (11_1)
4.6
OpenGL
4.6
3.0
OpenCL
1.2
1.1
Vulkan
1.2
3.5
CUDA
-
5.1
Shader Model
5.1

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